13. Someone 　　　　　at the door while mom 　　　　　in the kitchen.

　　　　 A. knocked; cooked　　　　　　　　　　　　　　 B. knocked; was cooking

　　　　 C. was knocking; cooked　　　　　　　　　　 D. was knocking; was cooking

12. My mother looks very young. Most of my classmates 　　　　　her 　　　　　my sister.

　　　　 A. look; as　　　 B. regard; to　　　　　 C. look; to　　　　　　 D. regard; as

11. 　　　　　teachers spoke at the meeting, 　　　　　was said about the question.

　　 A. Few; little　　　 B. A few; but little　 C. A few; and few　　　　 D. A little; so little

10. - Have you been to shanghai?

- Yes, it is one of 　　　　　cities in China.

A. the large　　　　　 B. the largest　　　　 C. the larger　　　　　　　　 D. largest

9. - How many students are there in your school?

- 　　　　　students, I think.

A. Thousand of　　　 B. Three thousands　 C. Three thousand　　　 D. Three thousands of

8. He has got 　　　　　work to do, and most of the work is 　　　　　difficult.

　　　 A. too much; too much　　　　　　　　　 B. much too; much too

　　　 C. too much; much too　　　　　 D. much too; too much

7. - There are many old houses in Beijing, aren’t there?

- 　　　　. Only a few remain now.

A. Yes, they are 　　　 B. No, they aren’t　 C. No, there aren’t　　　　　　　 D. Yes, there are

6. - Do you think robots will 　　　　　the humans in the future?

- Yes, I think so.

A. replaced　　　　　　 B. take the place of

C. take place of　　　　　　　　　　 D. took the place of

5. - Are you sure there are UFOs?

- Sorry. I’m not sure 　　　　　that.

A. to　　　　　　　　　　　 B. at　　　　　　　　　　　　　　 C. of　　　　　　　　　　　　　　 D. in

4. - Why do you like living in the countryside?

- Because there’s 　　　　　noise and 　　　　　cars here.

A. less; fewer　　　　　 B. fewer; less　　　　 C. less; less　　　　　　　　　 D. fewer; fewer