3. It is highly desirable that every effort 　_______　 to reuse the pollution in Beijing.

A. is made　　　 B. was made　　

C. were made　　 D. be made

2. It is said that Tom’s sister fell off her bike on her way to school, _______　 in the left leg.

A. seriously damaging　　　 B. hurting badly　

C. breaking seriously　　 　D. badly hurt

5. 无论面对什么样的困难，他对生活的态度总是乐观的。

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4. 毕业后，我在继续深造和找工作之间为难。

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3. 我曾经工作过的公司有非常严格的规章制度。一次早晨迟到，让我丢了工作。

(cost sb. sth.)

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2. 他抱怨他的父母只关心他的考试结果。(focus on)

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1. 许多人即使处在困境中也能保持快乐的心情。

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4. When I ________　 those days I realized I was desperately unhappy.

3. Let Tom walk ________　 you-he knows this path very well.