—Catherine, I have cleaned the room for you.
—Thanks, you __________it. I could manage it myself.
| A．needn’t do | B．needn’t have done |
| C．mustn’t do | D．shouldn’t have done |
Liza _ ___ well not want to go on the trip---she hates traveling.
| A．will | B．can | C． must | D． may |
― Why ______ you stay in the countryside, where it is not convenient to go shopping?
―But I’ve found it rather valuable for my health.
| A．can | B．must | C．may | D．shall |
I’m sorry, Bill. I _________ the book to you last week, but I was so busy that I forgot to do so.
| A．must have returned | B．could return | C．should have returned | D．might return |
— Did you visit the museum today?
— No. We ______ it, but we spent too much time shopping.
| A．could have visited | B．must have visited |
| C．may have visited | D．couldn’t have visited |
Something ______ wrong with the car, and it ______ not start.
| A．being, could | B．going, should | C．was, might | D．went, would |
It was dark when Mary went out. I wonder how she ______ through the black lane by herself.
| A．dared not to go | B．dare going | C．not dare go | D．dared to go |
If you _____ smoke, please go outside because this is a non-smoking office.
| A．must | B．should | C．can | D．may |
–Hi, Tom. Any idea where Jane is?
--She _______ in the classroom. I saw her there just now.
| A．shall be | B．should have been |
| C．must be | D．might have been |