1) This magazine is worth reading.

　　This magazine is worthy of being read

2) It is worthwhile to study IT.

4．Must have done

He must have finished his homework because he was watching TV.

他准完成了作业，因为他正在看电视

It must have rained last night because the ground is so wet.

昨天晚上准下雨了，因为现在地面那么湿

Mike must have been sad when he failed the exam.

麦克考试不及格的时候一定很伤心。

（2005年高考北京春卷）I have lost one of my gloves. I _____it somewhere.

A. must drop B. must have dropped C. must be dropping D. must have been dropped

例句分析："我手套掉了一只"，根据第一句话，知道这件事情已经发生了，再看四个选项，皆有must 再根据从句中的somewhere某地，可以判断出，应该考察must对过去情况的推测。而对过去情况的推测应选D。代入一试，联系上文，意思正确，即"我过去准把它丢在某地。

练习：.

请翻译下面的句子:

1) 昨天他非常高兴,他准有了一个好工作

2) 地面很湿,昨天准下雨了

Key:

1) Yesterday he was very glad. He must have got a good job.

2) The ground was very wet .It must have rained last night

5 strike

a. 使......想起什么

A rather worrying thought struck me.

我突然有了一个很让人担心的想法

The first thing that struck me was the fact that there were no other women present.