Usually, when we see our teachers come into the classroom, we all stop______ and get ready for class.

　　A. talk B. to talk C. to talking D. talking

—There ________ lots of plants here. But now I can’t see any.

　　—That’s the problem. To solve it, we ________ plant trees here.

　　A. used to be; are going to B. are used to be; will

　　C. used to are; are going to D. are used to; will

—Must I park my car behind the building?

　　—No, you ________. You ________ park it there.

　　A. mustn’t; may B. may not; must

　　C. don’t have to; may D. shouldn’t; must

The nurse should take care ________ the patients day and night.

　　A. of B. for C. at D. in

—Kangkang ________ four hours helping an old person every Sunday morning.

　　—He’s so cool!

　　A. costs B. pays C. spends D. takes

—Michael’s Chinese is very good. How does he learn Chinese?

　　—Nobody teaches him. He ________.

　　A. teaches himself B. taught him C. learns himself D. learned himself

—Could I speak to Miss Li?

　　—________

　　A. Thank you very much. B. I don’t know.

　　C. She won’t answer. D. Just a moment, please.

Wulong is a beautiful place. And ________ people come to visit Wulong every year.

　　A. many thousand of B. several thousands

　　C. two thousands D. thousands of

If you can’t get to sleep, then get up and try to do something ________ lying in bed.

　　A. take the place of B. take place C. instead of D. because of

—They didn’t go swimming yesterday, did they?

　　—________ I saw them skate in the park.

A. Yes, they did.  B. No, they didn’t.

C. Yes, they were. D. No, they weren’t.