1). The new highway will ________ the villagers.

2). He will _________ the new way of studying.

3). The warning sign was put there _________ the public.

Keys: 1). benefit 2). benefit from 3). for the benefit of

5. combine vt.&vi. (使)联合；结合 combination n. 联合；结合 combined adj. 联合起来的

[典例]

1). We can't always combine work with pleasure. 我们并不总是能在工作中享受到乐趣。

2). Circumstances have combined to ruin our plans for a holiday. 各种情况凑在一起破坏了我们的假日计划。

[短语归纳] combine的短语：

combine with sb./ sth. 与某人某物结合起来 combine together联合起来

combine A with/and B 使A与B联合起来

[练习] 用combine的短语或其适当形式填空。

1) A _______ of factors led to her decision to resign.

2) Success was achieved by the _______ efforts of the whole team.

3) As a writer, he _______ wit _______ passion.

Keys: 1). combination 2). combined 3). combined; and/with

Ⅳ.重点词组（旨在提供词汇综合运用材料）

1. be tired of = be fed up with = be sick of 对......厌烦了

[典例]

1). We are fired of hearing the old story. 这老话我们听厌了。

2). I' m tired of the same breakfast every day. 我厌倦了每天吃同样的早餐。

[短语归纳]

get/be tired of doing sth. 厌倦(做某事) get/be tired from doing sth 因......而疲倦

be tired out = be worn out 非常疲倦

[练习] 用tired短语的适当形式填空。

1). My eyes ______ ______ ______ reading in a poor light.

2). I ______ ______ ______ watching television; let' s go for a walk.

3). I ______ ______ ______. Can we stop for a rest?

Keys: 1). were tired from 2). am tired of 3). am tired/worn out

2. ought to aux. 应当；应该(没有人称和数的变化，后接动词原形)

[典例]

1). They ought to come tomorrow. 他们明天应当来。

2). He thought that they ought to take part in the design. 他认为他们应当参加设计。

3). He ought not to do it. / He oughtn' t to do it.（否定形式）他不应该做这件事。

4). Ought we to do it at once?（疑问式）我们应该马上做这件事吗？

[练习] 按要求填空或翻译。

1). He ought to be here, __________ he? (反意疑问句)

2). I' m sorry. I ____________________ (本应该先给你打个电话) to tell you 1 was coming．

3). I ______________________ (本不该拜访) her, but I missed her so much.