Complete these dialogues with an appropriate modal verb (must, might, could, would, have to, should, will ) in the correct form before the main verb. Remember:
MODAL + VERB ( base form) referring to the present
MODAL + HAVE + VERB ( past participle) referring to the past
MODAL + BE + VERB(ING) referring to an action in progress

A: Susan is getting really fat. She (01. eat) a lot these days.
B: Besides eating a lot, she eats all day long.

A: Yesterday at the restaurant she (02. have) at least four pieces of pizza.

A: Dorothy woke up at 9:00 again.
B: She (03. get) to the office late.

A: I guess her boss (04. be) upset now.

A: Look! Everybody's wet.
B: It (05. rain) a lot !

A: And they (06. leave) their umbrellas at home.

B: The weather was so beautiful! No one thought it (07. rain).

A: The phone's ringing, but nobody answers.
B: It (08. be) out of order.

A: A: I don't think so. Cindy and Paul (09. leave) already.

A: Darren always gets such high grades!
B: He (10. study) hard.

A: No, he (11. go) to excellent schools before studying here.

A: I was driving peacefully along the country road when a car crashed into mine.
B: You're so careless. You (12. go) through a red light.

A: No, I didn't ! I guess the car (13. skid). It was raining.

A: My roommate is driving me crazy!
B: You (14. look) for another person to live with.

A: I think I (15. think) about that a long time ago.

A: Daddy phoned me complaining I haven't written him.
B: Come on! You (16. send) him a letter.

A: And you (17. be-neg) so quick to give an opinion.

A: The party is tomorrow and I haven't prepared anything.
B: You're really behind schedule. You (18. start) earlier.

A: I guess I (19. be) more organized.

A: You (20. see) "Superman" yesterday. It was fantastic.

B: You know I had to study. But I (21. see ) it someday.

A: How about tomorrow night?
B: You know I (22. study) tomorrow night too. Final exams are next week.

A: Mr. Strict, I’m really sorry! I (23. finish) the project.
B: Really? Well, then you 'll (24. work) overtime for some time if you want to keep your job. Just for a few days, anyway.

A: I will, Mr. Strict. In fact, I (25. do) this before.