2 . 关于为何我们要在社交生活和工作之间保持平衡，有很多原因。(there be; variety) （汉译英）

3 . 幸存者目之所及，满目皆是疮痍。(everywhere; ruins) （汉译英）

4 . 在富裕的国家里，也有一些学生上不了学的。如果你有幸上学，你应该感激有这样的机会。
______ also some boys and girls ______ cannot go to school in rich countries. If you are a lucky dog, you should be ______ for the opportunity.

5 . 有一段时期他每周锻炼三次以保持健康。(there be句型，定语从句) (汉译英）

6 . 单句改错
1. It was just then when I began to worry about my safety
2. In a word, success is important, and so does failure, because it's the mother of success.
3. My dear friends, don't afraid of problems, but take advantage of them to be the best of ourselves.
4. There has a big library in our school.
5. That's all. Thank you. Some questions？

7 . There________(be) a pencil and two pens in the pencil­box.
＝There________(be) two pens and a pencil in the pencil­box (所给词的适当形式填空).

8 . ________________an experienced teacher and many lovely students in the classroom.
教室里有一位有经验的教师和很多可爱的学生。

9 . 单句改错
1. Hard work have made him very ill.
2. Finally, there were a sudden pull at the pole and a fish was caught.
3. Generally speaking, when take according to the directions, the drug has no side effects.
4. Never before do I seen such a wonderful park, where I'd like to pay a visit again.
5. In front of our school stand a tower on whose top we can have a clear view of the lake.
6. They were two reasons for the decision.

10 . 成功不像你想的那么简单，因为努力没有替代品。（s开头的名词）（动名词，successful, as…as）
________ because________.