1 . Indeed, his slim __________ strong body is just like that of millions of Chinese farmers, to whom he has devoted his life. (用适当的词填空)

2 . You must work hard from now on, ______you will fail the exam. (用适当的词填空)

3 . 有些人浪费粮食，有些人却吃不饱。
Some people waste food ________ others don’t have enough.

4 . .假如英语课上老师要求同桌之间交换修改句子，请你修改你同桌写的以下句子。句中共有10处语言错误，每句中最多有两处。每处错误仅涉及一个单词的增加、删除或修改。
增加：在缺词处加一个漏词符号(∧)，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：在错的词下面划一横线，并在该词下面写出修改后的词。
注意：1．每处错误及其修改均仅限一词;
2．只允许修改10处，多者(从第11处起)不计分。
1. Parents should involve them in their children’s education.
2. Cleaning women in big cities usually get pay by the hour.
3. The teacher demanded that the work being finished before 4 o’clock.
4. Unhappily, the facts do not whole support the theory.
5. He was disappointed at not getting the job and he got over it very soon.
6. As no one spoke, the teacher asked a few questions to set the ball on rolling.
7. She tried to explain that had happened but he kept interrupting her.
8. We call on the people to build a community with shared future for mankind.
9. She sent the parcel to them until it can be personally received.
10. I wonder how he dared saying that to the teacher.

5 . During those centuries, China’s exports included silk, china and tea, ________ horses, wool, cotton and grapes were imported over vast distances along the network. （用适当的词填空）

7 . Successful and unique people always determine who they are________ common people always change their faith.

A．until

B．before

C．although

D．while