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
①The summer vacation is round the corner ( coming). Do you have any plans?
②Li 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.