1．occur 替换 think of
Suddenly I had an idea that someone had broken into my house. →
An idea occurred to me that someone had broken into my house.
It occurred to me that someone had broken into my house.

2．devote替换spend
He spends all his spare time in reading. →
He devotes all his spare time to reading.

3．seek替换want / look for
They sought ( wanted ) to hide themselves behind the trees.

4．average 替换ordinary
I’m an average ( ordinary ) student.

5．but替换very
The film we saw last night was very interesting. →
The film we saw last night was nothing but interesting.
The film we saw last night was anything but boring.

6．seat 替换sit
On his way to school, he found an old lady seated (sitting) by the road, looking worried.

7．suppose 替换should
He is supposed to ( should ) have driven more slowly.

8．appreciate 替换thank
Thank you very much for you help. →
We appreciate your help very much. / Your help is much appreciated.

9．the case替换 true
I don’t think it is the case ( true ).

10．on替换as soon as
As soon as he arrived, he began his research. → On his arrival, he began his research..

11．due to替换because of
He arrived late due to ( because of ) the storm.

12．cover替换walk/read
After covering (walking) 10 miles, we all felt tired.

13．contribute to替换 be helpful/useful
Plenty of memory work is undoubtedly helpful to English study. →
Plenty of memory work will undoubtedly contribute to English study.

14．round the corner 替换 coming soon/ nearby
① The summer vacation is round the corner ( coming). Do you have any plans?
② Li Ming studies in a school round the corner (nearby).

15．come to light替换discover
The family were so pleased when they discovered the lost jewels. →
The family were so pleased when the lost jewels came to light.

16．have a ball替换have a good time/ enjoy oneself
After visiting the workshop, we went back to school. Every one of us had a ball ( had a good time ).

17．come up with替换think of
Jack is very clever. He often comes up with ( thinks of ) new ideas.

18．set aside替换save
Some students think that they should set aside some of their pocket money for books. (2004天津卷)

19．be of + n. 替换adj.
The products are of high quality (very good ) and are sold everywhere in China.

20．refer to 替换talk about/of, mention
The professor you referred to (talked about ) is very famous.

21．can not but / can not help but替换have to do
I could not but (had to) go home.

22．more often than not替换usually
More often than not (Usually), the meaning of many words can be easily guessed.

23．lest替换so that /in order that
I wrote down his telephone number so that I would not forget it. →
I wrote down his telephone number lest I (should) forget it.

24．be long for sth. / be long to do sth. 替换want to do sth./wish for
I want to see you very much. →
I am long to see you.

25．be caught up in/be crazy about/be absorbed in/be addicted to替换be interested in He is caught up in ( very interested in ) collecting stamps