2. 改错 1.He offered me an apologise for being late. 2.Let’s drink for your health. 3.His words were surprised all of us. 4.It is foolish for you to make such a mistake. 5.The book made a good impression to me.

3. 6.Ms. Zhang gave me some advices on how to study English well. 7.The number of students in this school raises by 5% every year. 8.It is twelve o’clock. All the bells are striking. The other year has come. 9. Good manners are very important for everyone.

4. Translation 1.It is impolite to_ ___________________________( 满 嘴食物讲话） 2My advice is ______________________________ __________ （和其他客人一起离开 晚会 ) 3.________________________ ( 和这些工人一起工作时）， we learned a lot from them. talk with your mouth full. to leave a party at the same time as the other guests. When working with the workers

5. Some prefixes: 1.dis- disagree discover disappear dislike 2.in- incomplete incorrect 3.im- impolite impossible 4.un- unable unfair 5.non- non-stop non-smoker 6.re- rewrite reconsider

6. Grammar Restrictive attributive clause: 1.The extra information is necessary. 2.We don’t use commas with these clauses. Non-restrictive clause: 1.The extra information can be left out. 2.We use commas with these clauses.

7. Examples: 1.The knife and fork that are closest to your plate are bigger than the ones beside them. 2.Dinner starts with a small dish, which is often called a starter.

8. 3. This is the house which we bought last month. 这是我们上个月买的那幢房子。 4. The house, which we bought last month, is very nice. 这幢房子很漂亮，是我们上个月买的。

9. 5. I have a brother who is a doctor. 6. I have a brother, who is a doctor. 7. He has three sons, all of whom are workers. 8. Last week I bought a second-hand bike, the price of which is reasonable.

10. 9. He was late for school, which was not expected. 10. Tom has found a new job, which is good news for his family.