— Who _____ be phoning us at this time of night?
— It might be your sister.
| A．might | B．can | C．dare | D．must |
Oh, I’m not feeling well in the stomach. I ______ so much fried chicken just now.
| A．shouldn’t eat | B．mustn’t have eaten |
| C．mustn’t eat | D．shouldn’t have eaten |
Oh, I'm not feeling well in the stomach．I ____ so much fried chicken just now．
| A．shouldn't eat | B．mustn't have eaten |
| C．mustn't eat | D．shouldn't have eaten |
What a pity! Considering his ability and experience, he ______ better.
| A．need have done | B．must have done |
| C．can have done | D．might have done |
She __________ have left school, for her bike is still here.
| A．can’t | B．wouldn’t | C．shouldn’t | D．needn’t |
— Could I have a word with you, mum? — Oh, dear, if you ______.
| A．can | B．may | C．must | D．should |
— I hear it will rain tomorrow.
— It _______ true. You see, there are so many black clouds in the sky now.
| A．won’t be | B．will be | C．may be | D．may not be |
Don’t worry. You ________ have that book tomorrow.
| A．must | B．could | C．shall | D．may |
Mary _______ her mother with the housework, but she didn’t.
| A．must have helped | B．ought to have helped |
| C．must help | D．should help |
________ you interrupt now? Can’t you see I’m on the phone?
_ Sorry, Sir, but it’s urgent.
| A．Can | B．Should | C．Must | D．Would |