6. I can't find my books. I'm sure I must        on the bus. (leave)

我找不到书了，我确定我准是把它们忘在公汽上了。

5. Jason        my favorite game when I dropped in on him. (watch)

当我拜访Jason时，他碰巧在看我最爱的比赛。

4. I will be very busy tomorrow. I would rather that         . (come)

我明天会很忙，我宁愿你下周来。

3.        has taken your book. He has one himself (it)

一定不是Tim拿了你的书，他自己有一本。

2. At the end of each term,the professor would require that every student          their notebooks (hand)

每个学期末，教授会要求每个学生上交他们的笔记本。

1.        the project as planned,he was criticized by the public severely.

(carry)

没有按计划执行这个项目，他受到公众严厉的批评。

10. We can't forgive him. If he did that by accident,we may,but he did it         .

   A. in a bad mood   B. on purpose

   C. without care   D. out of his mind

9. It took a long time for the rest of the people to        to his famous theory.

   A. catch on   B. catch up

   C. catch at   D. catch out

8. How did it        that he appeared at the meeting when he was known to have gone abroad?

   A. bring about   B. come out

   C. come about   D. bring back

7. I didn't hear you knocking at the door. I must have been sleeping        at that time.

   A. soundly   B. widely

   C. deeply   D. broadly