情态动词的基本用法 知识点题库

– Tom, it's too late. Our son ________ be back.
– Don't be anxious. I dare say he ________ have some extra work to do.

You ____ be Carol. You haven’t changed a bit after all these years.

You _____be careful with the camera. It costs!

That night, trapped alone in the mountain, she felt cold, hungry and scared. She _______.     

—Shall we have a smoke here?

—No, we _____ because this is gas station and the worker is carrying some petrol.

You ________ write the poem down. Our teacher will give us a copy soon.

— Can I pay the bill by check?

— Sorry, sir. But it is the management rule of our hotel that payment _____ be made in cash.

—Dave didn't respond ________any of my emails.

—Something _______have happened to him.

—Must I turn off the gas after cooking?

—Of course. You ________ never be careful enough with that.

We also can  (获得) knowledge during playing.

He walked along in the shadows, hoping no one could （认出） him.

She had changed so much that I could hardly （认出）her.

Tickets may(purchase) in advance from the box office.

All the passengers could tthe lady's baby making a noise, which showed their high quality.

—Must I hand in the homework right now?

—That's the rule.      

You feel all the training a waste of time, but I'm a hundred percent sure later you'll be grateful you did it.

"What?" I felt nervous and I tried to turn on my brain but the engine just        start.

These flowers have died. You  have watered them.

You mustn't watch the football match if you're not interested in it.

All the students may do their best for the modernization of our country.