12、It’s high time that we students _____ even harder at our lessons as the national entrance examination is coming nearer.

A. work 　　　 B. will work　　 　　 C. worked　　　 　 D. have to work

11、-Why is the librarian looking so hard at me?

-You ____ to read aloud in the reading room.

A. don’t suppose　 　 B. haven’t supposed　　

C. are not supposed　　 D. were not supposed

10、Children under sixteen are not permitted to see such kind of films ___ bad for their mental development.

A. that is　　　　　　　 　 B. that are　　　　 　　 C. as is 　　　　　　　　 D. as are

9、　　　 　that they may eventually reduce the amount of labor needed on construction sites by 90 percent.

A. Such construction robots are clever　　　　　　 B. So clever the construction robots are

C. Such clever construction robots are　　　　　　 D. So clever are the construction robots

8、-It’s time to tidy your room, Mike！

-See the tidy room, Mum! ____ is where it should be.

A. Something　　　　　　　 B. Anything　　　　　　 C. Everything　　　　 D. Nothing

7、-Where is Johnson? I can’t find him anywhere.

-He ____ letters in the office.

A. might have written　 B. must have written　　

C. must be writing　 D. must write

6、-The English exam is not difficult, is it?

-_____. Even Tom _____ to the top students failed in it.

A. Yes; belongs　 B. No; belonged　　 C. Yes; belonging　　 D. No; belonging

5、-I can’t thank you enough for the gift you sent me.

-____.

A. With pleasure　 B. No, thanks　 C. Please don’t say so D. My pleasure

4、-I’m sorry, but the boss isn’t here yet. Shall I have her call you when she comes back?

-No, I’ll call her back. If I call again in half an hour, do you think she ____?

A. arrives　　　 　　 B. has arrived　　　 C. will arrive　 　　 D. will have arrived

3、-It’s getting dark earlier than before, isn’t it?

-Yes. I think so. I see ____ is on already.

A. the street’s light　　　 B. the light of the street　 　　

C. the streets’ light　　　　　　　 D. the street light