1 . Our leaders have already decided to negotiate with the enemy _________ a truce. (用适当的词填空)

2 . She reached inside her bag ________ a pen. （用适当的词填空）

3 . His grandmother gave a red envelope to him ________ good luck.

4 . Every four years, athletes from all over the world compete ________ the Olympic Games ________ the honor of winning.

A．in; against

B．in; for

C．against; in

D．for; for

5 . The two teams _______________ each other ______ the championship. 这两个队竞争冠军。（根据句意填空）

6 . ____________________________( 为了供养) such a rapidly increasing population, scientists are trying to find other planets that could one day be our new home. （根据汉语提示完成句子）

7 . How much do you ____________ mending a pair of shoes？你补一双鞋要多少钱？（根据提示完成句子）

8 . While abroad, you’ll have to ask your host family for things you don’t know the English _____.

A．of

B．for

C．with

D．to

9 . In order not to lose the job, she lied to the boss. _______________

10 . —I have booked a room ________two.
—I’ll check, sir.

A．for

B．to

C．of

D．with