(2019乐山改编)Bike sharing is very useful in our daily life a________ it still has some disadvantages.

(2019岳阳改编)The toys are really old, ________ I still want to keep them.

(2019江西改编)The film seems interesting ________ we all want to see it.

(2019温州)Adam has been working in the hospital ________ he left school.

初高中衔接题I ________ asleep because it took me a long time to realize that the telephone was ringing.

A.could have fallen B.should have fallen C.must have fallen D.mustn't have fallen

易错题—Robert, could you wash the car for me?

—Yes, I __________. I'm coming, dad.

A.could B.couldn't C.can D.can't

易错题—I don't care what people think.

—Well, you ________. You're not alone in this world.

A.can B.may C.should D.will

(2020原创)If I didn't give up, the test ________ have succeeded now.

A.could B.shall C.must D.need

(2020原创)The man ________ be so tired because he has walked in the desert for almost three hours.

A.can B.must C.need D.would

(2020原创)Students under the age of 16 ________ ride electric bicycles in this school.

A.may not B.can't C.needn't D.shouldn't