活学巧用

2.单项填空

（1）The apple is delicious________.

A.eating B.to be eaten

C.eaten D.to eat

提示：句意为："这种苹果很好吃。"delicious为形容词，它的后面跟不定式要用主动形式。此句可转化为"It is delicious to eat the apple."

答案:D

（2）I found it hard________ the problem.

A.working out B.to work out

C.worked out D.work out

提示:句意为："我发现解出这个问题是很难的。"hard是形容词，形容词的不定式用主动形式表示被动意义。

答案:B

3.part的用法

【典型例句】

We spent part of the time in the museum.

我们花了一部分时间在博物馆。

Voters are given only part of the story.

只对选民透露了部分情况。

Part of the building was destroyed in the fire.

大楼的一部分毁于大火。

【知识小结】

part of.........的一部分（习惯上前面不加冠词）。

for my part 就我来说；至于本人

for the most part 多半；大体上

in part 部分地

take a part(in)扮演角色；起作用；参与

part with 指放弃某物；也可接人

part from 指与人分手

活学巧用

3.单项填空

（1）The part you________ in the film was very important.

A.played B.played in

C.took in D.took

提示:句意为："你在电影中扮演的那个角色是非常重要的。"play a part in"扮演角色"；take part in"参加"。

答案:B

（2）I parted________ him at the corner of the street.

A.with B.from

C.of D.in

提示：句意为："我在拐角处与他分手。"part from"与......分手"。