1 I find it useful to learn English well. (我发觉学好英语是很有用的)
2 I don't think I'll take it. (我想我不买它了)
3 You'd better not be late for the class.
4 It is very good of you to teach me English. (你教我英语真是太好了)
5 It took me half an hour to do the work.
=I spent half an hour in doing the work.
6 I paid thirty yuan for the coat.
7 I have been to Shanghai on business .（我曾因生意去过上海）
8 The basket is too heavy for me to carry. 这篮子太重我拿不动。
9 The population of China is ten times as large as that of the USA .
10 He says that he won't be free until tomorrow.他说他需到明天方才有空。
11 Either you or she is right.
12 Both Jim and I are in Grade One
13 I would have you buy a new bike． 我想让你买辆新自行车。
14 They have just had their car repaired．他们刚找人把车修理了一下。
15 It's two weeks since we met last.(自从我们上次见面已有两个星期了)
16 The harder you work on it, the better you'll be at it.(你越用功，你就越好。)
17 You must be ready at once.
18 One third of the books are sent to the students.
19 The little boy was made to repeat the whole story.
20 For many a week it rained a lot.
