情态动词的基本用法 知识点题库

I ______ tell you with certainty that he won't be able to finish it before the deadline.

A . will B . must C . can D . may
—What do you think of Betty?

— Lovely, though she ______ be naughty sometimes.

A . should B . must C . can D . need
I love the weekend, because I _____ get up early on Saturdays and Sundays.

A . needn't B . mustn't C . wouldn't D . shouldn't
By law, no party _____ give away the contents of the contract to the third party.

A . may B . can C . need D . shall
—Must we leave the classroom now?

— No, you _____. You _____ leave after the bell rings.

A . mustn't; are allowed to B . don't have to; might C . needn't; can D . can't; are supposed to
According to our school rule, all the students ________ attend the assembly every Monday morning wearing school uniforms.
A . may B . shall C . need D . might
We can d goods to your door.
What a beautiful day! You ______ take your umbrella at all.
A . needn't B . mustn't C . can't D . may not
You should with your friend in his sufferings.

The sofa can t for use as a bed.

It will be fine whenever you come, but you'd better (通知) me of that before you come.

Plants can absorb carbon dioxide and (释放)oxygen.
I love listening to the family softly talking to each other in their language, even though I could not (参加)in the conversation.
—I saw Susan in the library just now.

—No, it ________ be her. She went to Shanghai this morning.

A . mustn't B . can't C . shouldn't D . needn't
 you make so much noise while I was working?
I wonder who it is. It (can't/mustn't)  be Lisa. She's still in the library now.
I go there alone, but he (not) go there by himself.
He hardly ______________ apologize for any inconvenience caused, since we know it's not his fault.
A . don't need to B . needs C . need D . needn't
I love the weekends, because I  get up early on Saturdays and Sundays.
The young tree ________ well when it is planted.
A . mustn't watered B . should be watered C . must water D . should water