13. The game is not very difficult 　　　　you understand the roles.

　 A. until　　　　 B. though　　　　　 C. once　　　　　　　 D. unless

12. Students 　　　　　go to the society and learn something from life.

　 A. would　　　　 B. should　　　　　 C. could　　　　　　 D. might

11. I agreed　　　　 　here but so far she hasn't turned up yet.

　 A. having met　　 B. to meet　　　　　 C. meeting　　　　　　 D. to have met

10. --You've finished off two pizzas!

　　　 --Yes. But the second is　　　　 　little bit small, so may I have 　　　　third one?

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

9. The talks between the two countries had　　　　 with no agreement reached.

　 A. slowed down　　 B. broken down　　　 C. taken down　　　　 D. put down

8.　 The mother told her daughter to remain 　　　　she was and waited for her to come back.

　　　 A. which　　　　 B. what　　　　　　 C. where　　　　　　 D. that

7.　 Among the people over there　　　　 Wang Lin, who is serving drinks.

　　　 A. is　　　　　　 B. are　　　　　　　 C. was　　　　　　　 D. were

6.　 Could you tell us how to keep students 　　　　in class?

　　　 A. interest　　　　　 B. interesting　　　　　 C. interests　　　　　 D. interested

5.　 --I wonder　　　　 　he'll come back from the party.

　　 --In twenty minutes or so.

　　 A. how soon　　　　 B. how long　　　　　 C. how often　　　　 D. how much

4.　 To pass the examination, we had a busy month　　　　 our lessons.

　　 A. to review　　　 　　B.　 reviewing　　　　　 C. reviewed　　　　 D. review