15. --- Has your sister finished her essay yet?

--- I don’t know. She _______ it this morning.

A. wrote　　　 B. has written　　 C. had written　　　 D. was writing

14.　 We could see the building with a red flag ______ on the top and the windows ________ seriously.

A. flying; breaking　 B. flown; broken　 C. flying; broken　 D. flown; breaking

13. We must make every effort to achieve our goals ______ we regret our life.

A. or　　　　　 B. when　　　 C. though　　　　 D. before

12. The big forest fire must have been put out half an hour ago, _____________?

A mustn’t it　　　 B. wasn’t it　　　 C. hasn’t it　　 D. didn’t it

11. Who did you ____ the wall yesterday?

　 A. have paint　 B. have painted　 C. have to paint　 D. have painting

10. Practice is a good way, only ________ learn a foreign language well.

A. in which we can　　　　　　　 B. through that can we

C. in which can we　　　　　　　 D. in that can we

9. Few pleasures can equal ______ of a cool drink on a hot day.

A. some　　　 B. any　　 　　　C. that　　　　　 D. those　　

8.　　　 It was not until she had arrived home ___________ her appointment with the doctor.

A. did she remember　　　　　　　 B. that she remembered

C. when she remembered　　　 　　D. had she remembered

7. They began to think about what use could be __________ such materials.

A. made up　　　 B. made from　　　 C. made out　　　 D. made of

6. All these changes will lead to ______ stronger and more powerful China, _______ country that can surprise and enrich our planet.

A. a; a　　　　　 B. a; the　　　　　 C. the; a　　　　 D. the; the