1 . 以下各句每句中有一个错误。每处错误仅涉及一个单词的增加、删除或修改。
增加: 在缺词处加一个漏字符号（∧）, 并在其下面写出该加的词。
删除: 把多余的词用斜线（\）划掉。
修改: 在错的词下划一横线, 并在该词下面写出修改后的词。
1. The house belongs my grandfather.
2. You know, I have fall in love to you since the first sight I saw you.
3. Though we have nothing on common, we are good friends.
4. I spent great deal of my time on this work.
5. Most of the people inviting to the party were famous scientists.
6. Encouraging by his teacher, he still has no confidence in overcoming the difficulties.
7. He went home happily with his homework finish.
8. He is shocking at what happened to his son.
9. The film in which they went to see last night was not interesting at all.
10. People`s life have changed by online communities and social work.

2 . The percentage of students at high schools who ________ newly diagnosed with depression   ________not dropped significantly.

A．was; has

B．were; has

C．was; have

D．were; have

3 . Little ________ that she was infected with this disease herself.

A．Amy knew

B．did Amy know

C．knew Amy

D．was Amy known

4 . 根据句意，选择单词或短语并以其适当形式填空。

A. leave out        B. arise from        C. broke down       D. set foot on        E. knock over

1. It was the first time I had ________ African soil.
2. Be careful not to ________ the flower vase.
3. Talks with business leaders ________ last night.
4. Emotional or mental problems can ________ a physical cause.
5. You can ________ the third sentence to make the essay shorter.