4．acknowledge vt. 承认；确认；答谢

acknowledgement n. 承认；感谢

acknowledge doing sth. 承认做了某事

acknowledge sth. as/to be 认为某事……

acknowledge that... 承认……

 acknowledge one‘s letter 向某人表示信已收到

in acknowledgement of sth. 对某事表示感谢/承认

It is universally acknowledged that...    ……是大家公认的。

[即学即练4](1)He acknowledged ______________________ __.(＝He acknowledged that he had made a mistake.)

他承认犯了错误。

(2)It is she who wants to _____________ you ______ her daughter.

她想承认你是她的女儿。

having made a mistake   ,      acknowledge    ,    as

(3)The shipping company ___________________________ of the goods to be shipped.

航运公司表示所运货物已收到。

acknowledged the receipt

5．occupy vt. 占用；占领；占据

occupancy n. 占用；使用

occupation n. 侵占；占领；职业

be occupied (in) doing sth. 忙于做某事(in可省略)

be occupied with sth. 从事/忙于某事(用法同 busy)

occupy oneself with sth./in doing sth. 忙于做某事

under occupation 在占领之下，占领中

[即学即练5](1)The enemy _______________ the town.

敌人占领了这个镇。

(2)Writing _________________ most of my free time.

写作占去了我大部分的空闲时间。

(3)I ______________ myself ______ writing a novel.

我忙于写小说。

occupied  ,    occupies    , occupied     ,    in

6．keep it up 保持优秀成绩；继续干下去

keep a close/careful watch on 密切注意/监视

keep an eye on 留神照看

keep away from (使)避开，不接近

keep back 隐瞒不讲；留在后面，阻止

keep down 限制；镇压

keep from 隐瞒；使(自己或别人)不做某事

keep in touch with 与……保持联系

keep off 使不接近，使避免

keep on 继续，持续

keep out 挡住，使进不去，不要进来

keep up 保持(不低落)；保持良好状态

keep up with 跟上，不落后

[即学即练6](1)____________！ Then you will succeed!

坚持！你一定能成功！

(2)They sang songs to ________________________.

他们唱歌以保持高昂的情绪。

(3)He ____________ a correspondence ______ Tom.

他和汤姆保持通信联系。

Keep up   ,     keep their spirits up   ,  kept up  ,       with

7．fit in 相适合；相融合

fit in with sb./sth. 与……合得来；适应

fit sb./sth. for sth. 使……适合/胜任

be fit to do sth./for sth. 适合做某事

[即学即练7](1)I don‘t think he’ll __________________ the other people.

我认为他不会与别人合得来。

(2)His experience ______ him perfectly ______ the job/______ ______ the job.

他的经验使他完全胜任这项工作/适合干这个工作。

fit in with   ,    fitted   ,    for    ,    to do

(3)Your car _________________ be on the road.

你的车子适合上路。

Is fit to