A: I’d like to ask you a favor. you please water my plants
while I’m on vacation? (Must, Should, Could)
B: I’d be glad to. How often do you want me to water them?

A: If you want to go out with your friends tonight, you finish
your homework. (could, had better, might)
B: OK, Mom. I will.

A: What are you going to do this weekend?
B: We’re not sure yet. If the weather is nice, we (will, might,
should) go on a picnic. Or maybe we (‘ll, ‘d, ‘d better) go
hiking.

(At the department store)
A: I help you? (Might, Should, May)
B: No, thank you. I’m just looking.

A: If you don’t want to have problems with the I.R.S., you
pay your taxes. (should, had to, must)
B: I know. I’m going to send in my check tomorrow.

6. A: Sandra couldn’t come to class last night, because she
work overtime. (have to, had to, must)
B: Is she coming tonight?

7. A: Mom, I want to go swimming with Jimmy.
B: I’m sorry, but you . You’ve got a bad cold. (wouldn’t, can’t,
might not)


A: I can’t go with you tonight. I’ve got a really hard final exam tomorrow
and I stay home and study .(could, have to, may)
B: That’s okay. We can go on Friday.

A: Mr. Smith is busy right now. you like to leave a
message? (Would, Might, Could)
B: Please tell him that Margaret Brown called regarding the ITT meeting.
It’s been rescheduled for 4:00 p. m.

10. A: Which dress do you think I buy—the red one or the blue
one? (had better, should, must)
B: They both look good on you, but I think the blue one is more
appropriate for the occasion.