3. Would it be　　　 　for you to pick me up at four o?clock and take me to the airport?

A. free　　　 B. vacant　 C. handy　　 D. convenient

2. North America　　　 the United States, Canada, and Mexico.

A. is made of　　 B. consist of

C. composes　　　 D. comprises

从A、B、C和D四个选项中，选出可以填入空白处的最佳选项。

1. When I got back home I saw a message　　　 to the door reading “Sorry to miss you；I will call you later”.

A. pin　 B. pins　 C. pinned　 D. to pin

5. 他建议教室一天打扫两次。

4. 当被问到为什么旷课时,他低着头不说话。

3. 在那种场合下你还惹麻烦，真是丢人。

2. 为了不让野兽接近,我们让火通宵达旦地燃烧着。(keep; have)

1. 现在很有必要马上通知他们会议取消了。

7. My teacher 　　　me. Without his instruction, I doubt if I could be so successful.

6. The cake 　　　　four parts for us to share.