1 . 单句改错
1. He gave his mother a colour TV set for her birthday, that pleased her a lot.
2. We’ll graduate in July, which we will be free.
3. Mr. Zhang, her daughter went to Qinghua University last year, retired yesterday.

2 . 单句改错
1. We will put off the picnic in the park until next week, which the weather may be better.
2. Jack suggested the sports meeting was put off till next week.
3. Ordering over a week ago, the books are expected to arrive at any time now.
4. In art criticism, you must assume the artist has a secret message hiding within the work.
5. The novel is said to have translated into many languages and sell well abroad.
6. I am writing to tell you something about the speech competition to be holding next month.
7. Comparing with her achievements, her shortcomings are, after all, only secondary.
8. There is still some doubt that the autumn sports meeting will be held on Friday in our school.
9. I have no idea that when he will come back.
10. He wrote many children’s books, nearly half of them were published in the 1990s.