This pair of glasses ________ be Linda's. She never wears glasses.
A.can't B.can C.mustn't D.must
You'd better take an umbrella when you go out, because it ________ rain.
A.must B.might C.can D.need
Nowadays, some robots are very humanlike. They________ walk and dance.
A.can B.must C.may D.should
For the patients' health, everyone in the hospital ________ smoke.
A.can't B.can C.mustn't D.must
You ________ read this passage carefully and find out the correct answer to the question.
A.might B.should C.need D.could
You________ hand in your homework now. You can do it tomorrow.
A.mustn't B.can't C.won't D.needn't
