Some, a, an

'; //Write it to the frame TopFrame.document.clear(); TopFrame.document.open(); TopFrame.document.write(OutString); TopFrame.document.close(); } function DisplayExercise(){ //Build the output string var OutString = ''; OutString += ''; OutString += '

'; OutString += ''; OutString += TitleCode; OutString += ''; OutString += NavBar; OutString += '

'; if (WordBox.length > 0){ OutString += WordBox; } OutString += ''; OutString += BuiltCloze; OutString += '

'; if (is.CRAPBrowser){OutString=ResolveAllURLs(OutString);} //Write it to the frame BottomFrame.document.clear(); BottomFrame.document.open(); BottomFrame.document.write(OutString); BottomFrame.document.close(); } function ShowClue(ItemNum){ //alert(ItemNum); State[ItemNum][0] = 1; WriteFeedback(I[ItemNum][2]); } function SaveCurrentAnswers(){ for (var i=0; i-1){ FirstBit = InString.substring(0, i); LastBit = InString.substring(i + Token.length, InString.length); InString = FirstBit + Replacement + LastBit; i = InString.indexOf(Token); } return InString; } var LowerString='abcdefghijklmnopqrstuvwxyz%9A%9C%E0%E1%E2%E3%E4%E5%E6%E7%E8%E9%EA%EB%EC%ED%EE%EF%F0%F1%F2%F3%F4%F5%F6%F8%F9%FA%FB%FC%FD%FE%FF'; var UpperString='ABCDEFGHIJKLMNOPQRSTUVWXYZ%8A%8C%C0%C1%C2%C3%C4%C5%C6%C7%C8%C9%CA%CB%CC%CD%CE%CF%D0%D1%D2%D3%D4%D5%D6%D8%D9%DA%DB%DC%DD%DE%9F'; LowerString = unescape(LowerString); UpperString = unescape(UpperString); I = new Array(); I[0] = new Array(); I[0][1] = new Array(); I[0][1][0] = new Array(); I[0][1][0][0]='Some'; I[0][2]=''; I[1] = new Array(); I[1][1] = new Array(); I[1][1][0] = new Array(); I[1][1][0][0]='a'; I[1][2]=''; I[2] = new Array(); I[2][1] = new Array(); I[2][1][0] = new Array(); I[2][1][0][0]='some'; I[2][2]=''; I[3] = new Array(); I[3][1] = new Array(); I[3][1][0] = new Array(); I[3][1][0][0]='an'; I[3][2]=''; I[4] = new Array(); I[4][1] = new Array(); I[4][1][0] = new Array(); I[4][1][0][0]='some'; I[4][2]=''; I[5] = new Array(); I[5][1] = new Array(); I[5][1][0] = new Array(); I[5][1][0][0]='some'; I[5][1][1] = new Array(); I[5][1][1][0]='an'; I[5][2]=''; I[6] = new Array(); I[6][1] = new Array(); I[6][1][0] = new Array(); I[6][1][0][0]='some'; I[6][1][1] = new Array(); I[6][1][1][0]='a'; I[6][2]=''; I[7] = new Array(); I[7][1] = new Array(); I[7][1][0] = new Array(); I[7][1][0][0]='some'; I[7][2]=''; I[8] = new Array(); I[8][1] = new Array(); I[8][1][0] = new Array(); I[8][1][0][0]='some'; I[8][2]=''; I[9] = new Array(); I[9][1] = new Array(); I[9][1][0] = new Array(); I[9][1][0][0]='some'; I[9][2]=''; I[10] = new Array(); I[10][1] = new Array(); I[10][1][0] = new Array(); I[10][1][0][0]='a'; I[10][2]=''; I[11] = new Array(); I[11][1] = new Array(); I[11][1][0] = new Array(); I[11][1][0][0]='an'; I[11][2]=''; I[12] = new Array(); I[12][1] = new Array(); I[12][1][0] = new Array(); I[12][1][0][0]='an'; I[12][2]=''; I[13] = new Array(); I[13][1] = new Array(); I[13][1][0] = new Array(); I[13][1][0][0]='some'; I[13][2]=''; I[14] = new Array(); I[14][1] = new Array(); I[14][1][0] = new Array(); I[14][1][0][0]='some'; I[14][2]=''; I[15] = new Array(); I[15][1] = new Array(); I[15][1][0] = new Array(); I[15][1][0][0]='some'; I[15][2]=''; I[16] = new Array(); I[16][1] = new Array(); I[16][1][0] = new Array(); I[16][1][0][0]='a'; I[16][2]=''; I[17] = new Array(); I[17][1] = new Array(); I[17][1][0] = new Array(); I[17][1][0][0]='an'; I[17][2]=''; I[18] = new Array(); I[18][1] = new Array(); I[18][1][0] = new Array(); I[18][1][0][0]='some'; I[18][2]=''; I[19] = new Array(); I[19][1] = new Array(); I[19][1][0] = new Array(); I[19][1][0][0]='some'; I[19][2]=''; Text = new Array(); Text[0]='SOME, A, AN

Let\'s practice the use of SOME, A or AN.
Here are some sentences for yo'; Text[0]+='u to complete.

01. A: What would you like to eat?
B: '; Text[1]=' french fries, please.

02. A: Would Tony like '; Text[2]=' glass of coke?
B: Yes, he would.

03. A: Where can I buy '; Text[3]=' toothpaste?
B: At the drugstore.

04. I\'m on a diet. I can only eat '; Text[4]=' orange for lunch.

05. Sue will have dinner at home tonight. I need to buy '; Text[5]=' food.

06. A: What kind of pie do you want?
B: I want '; Text[6]=' apple pie.

07. What about having '; Text[7]=' beer and a piece of pizza?

08. There are '; Text[8]=' sweaters on sale at Bennetton.

09. Let\'s prepare '; Text[9]=' coffee. Please, give me '; Text[10]=' sugar.

10. How much is '; Text[11]=' hamburger, please?

11. A: Would you like to go to the movies tonight?
B: So'; Text[11]+='rry! I can\'t. I have to go to '; Text[12]=' important meeting.

12. Would you like to go to '; Text[13]=' Italian Restaurant? No, I like Chinese food better.

13. Where can I buy '; Text[14]=' milk? At the supermarket.

14. Why do you want to go to the post office? To buy '; Text[15]=' stamps.

15. I\'m going to Miami. I need to buy '; Text[16]=' film to take photos.

16. Is there '; Text[17]=' sale on notebooks? Yes, there\'s one at the Waverly bookstore.

17. There\'s '; Text[18]=' interesting movie on channel 5 tonight. Good! Let\'s see it.

18. Today is my mother\'s bi'; Text[18]+='rthday. I want to buy '; Text[19]=' perfume for her.

19. OK. That\'s it. Let\'s do '; Text[20]=' more exercises.
'; State = new Array(); CharList = new Array(); EscapeList = new Array(); function StartUp(){ var i = 0; for (i=0; i 0){ OutString += FoundCode; } else{ OutString += NextChar; } } return OutString; } var MacChars = '%80%81%82%83%84%85%86%87%88%89%8A%8B%8C%8D%8E%8F%90%91%92%93%94%95%96%97%98%99%9A'; MacChars += '%9B%9C%9D%9E%9F%A0%A1%A4%A5%A6%A7%A8%AA%AB%AC%AE%AF%B4%B6%BB%BC%BE%BF%C0%C1%C2%C4%C7%C8'; MacChars += '%C9%CA%CB%CC%CD%CE%CF%D0%D1%D2%D3%D4%D5%D6%D8%D9%DA%DB%DC%DD%E0%E1%E2%E3%E4%E5%E6%E7%E8%E9'; MacChars += '%EA%EB%EC%ED%EE%EF%F1%F2%F3%F4%F5%F6%F7%F8%FB%FD'; var WinChars = '%C4%C5%C7%C9%D1%D6%DC%E1%E0%E2%E4%E3%E5%E7%E9%E8%EA%EB%ED%EC%EE%EF%F1%F3%F2%F4'; WinChars += '%F6%F5%FA%F9%FB%FC%86%BA%A7%95%B6%DF%AE%99%92%A8%C6%D8%A5%F0%AA%BA%E6%F8%BF%A1%AC%83%AB%BB'; WinChars += '%85%82%C0%C3%D5%8C%9C%96%97%93%94%91%92%F7%FFY/%A4%8B%9B%87%B7%82%84%89%C2%CA%C1%CB'; WinChars += '%C8%CD%CE%CF%CC%D3%D4%D2%DA%DB%D9%B9%88%98%AF%B0%94'; WinChars = unescape(WinChars); MacChars = unescape(MacChars) function MacStringToWin(InString){ var OutString = ''; for (i=0; i '~') && (MacChars.indexOf(InString.charAt(i)) > -1) ){ OutString += WinChars.charAt(MacChars.indexOf(InString.charAt(i))); } else { OutString += InString.charAt(i); } } return OutString; } function WinStringToMac(InString){ var OutString = ''; for (i=0; i '~') && (WinChars.indexOf(InString.charAt(i)) > -1) ){ OutString += MacChars.charAt(WinChars.indexOf(InString.charAt(i))); } else { OutString += InString.charAt(i); } } return OutString; } function TrimString(InString){ var x = 0 if (InString.length != 0) { while ((escape(InString.charAt(InString.length - 1)) == '%20') || (escape(InString.charAt(InString.length - 1)) == '%0A') || (escape(InString.charAt(InString.length - 1)) == '%0D')){ InString = InString.substring(0, InString.length - 1) } while ((escape(InString.charAt(0)) == '%20') || (escape(InString.charAt(0)) == '%0A') || (escape(InString.charAt(0)) == '%0D')){ InString = InString.substring(1, InString.length) } while (InString.indexOf(' ') != -1) { x = InString.indexOf(' ') InString = InString.substring(0, x) + InString.substring(x+1, InString.length) } return InString; } else { return ''; } } function ConvertCase(InString, Direction){ var FromString = ''; var ToString = ''; if (Direction == 0){ FromString = UpperString; ToString = LowerString; } else{ FromString = LowerString; ToString = UpperString; } var i = 0; j = 0; var OutString = ''; for (i=0; i -1){ j = FromString.indexOf(InString.charAt(i)); OutString += ToString.charAt(j); } else{ OutString += InString.charAt(i); } } return OutString; } function CheckAnswers(){ SaveCurrentAnswers(); var AllCorrect = 1; //Check each answer for (var i = 0; i< I.length; i++){ if (State[i][4] != 1){ //If it's right, calculate its score if (CheckAnswer(i, true) > -1){ var TotalChars = GetGapValue(i).length; State[i][3] = (TotalChars-State[i][1])/TotalChars; if (State[i][0] > 0){State[i][3] = State[i][3]/2;} if (State[i][3]<0){State[i][3] = 0;} State[i][4] = 1; } else{ //Otherwise, add zero to the array and increment the hints for this item, as a penalty State[i][1]++; State[i][3] = 0; //then set the flag AllCorrect = 0; } } } //Calculate the total score var TotalScore = 0; for (i=0; i'; } Output += YourScoreIs + ' ' + TotalScore + '%.
'; if (AllCorrect == 0){ Output += '
' + Incorrect; } BuildExercise(); WriteFeedback(Output); DisplayExercise(); RestoreCurrentAnswers(); } function TrackFocus(BoxNumber){ CurrentWord = BoxNumber; } function CheckBeginning(Guess, Answer){ var OutString = ''; var i = 0; var UpperGuess = ''; var UpperAnswer = ''; if (CaseSensitive == false) { UpperGuess = ConvertCase(Guess, 1); UpperAnswer = ConvertCase(Answer, 1); } else { UpperGuess = Guess; UpperAnswer = Answer; } while (UpperGuess.charAt(i) == UpperAnswer.charAt(i)) { OutString += Guess.charAt(i); i++; } OutString += Answer.charAt(i); return OutString; } function FindLongest(InArray){ if (InArray.length < 1){return -1;} var Longest = 0; for (var i=1; i InArray[Longest].length){ Longest = i; } } return Longest; } function GetGapValue(GNum){ var RetVal = ''; if ((GNum<0)||(GNum>=I.length)){return RetVal;} if (eval('BottomFrame.document.Cloze.Gap' + GNum) != null){ RetVal = eval('BottomFrame.document.Cloze.Gap' + GNum).value; if (FlipChars==true){RetVal = MacStringToWin(RetVal);} RetVal = TrimString(RetVal); } else{ RetVal = State[GNum][5]; } return RetVal; } function SetGapValue(GNum, Val){ if ((GNum<0)||(GNum>=I.length)){return;} if (FlipChars==true){Val = WinStringToMac(Val);} if (eval('BottomFrame.document.Cloze.Gap' + GNum) != null){ eval('BottomFrame.document.Cloze.Gap' + GNum).value = Val; } } function FindCurrent() { var x = 0; FoundCurrent = -1; //Test the current word: //If it's state is not set to already correct, check the word. if (State[CurrentWord][4] != 1){ if (CheckAnswer(CurrentWord, false) < 0){ return CurrentWord; } } x=CurrentWord + 1; while (x -1){return ''} RightBits = new Array(); for (var i=0; i 0){ SetGapValue(CurrGap, HintString); State[CurrGap][1] = State[CurrGap][1] + 1; } WriteFeedback(GiveHint); } function Blank(){ return '

'; } //--> //]]>