1. Unit7 Grammar 2

2. When to use the active voice? ★ It’s important to know who performs the action. The ORBIS doctor do operations on the plane.

3. When to use the passive voice? ★ It is obvious( 显然 ) who performs the action. ★ We do not know or do not want to know who performs the action. ★ We think the action is more important than the person who performs the action. Be is, am, are was, were + done +by sb

4. What do they do every year? 1.Charity activities (plan/ to help the poor). 2. Leaflets (hand out/ to people in the street/ volunteers). 3. Toys and CDs (sell/ to raise money). are planned to help the poor are handed out to the people in the street by volunteers are sold to raise money

5. What did they do last week? 1.New books (send/ to children in poor areas/ the Class1, Grade 8 students). 2. Warm clothes (collect/ for poor people). 3. A charity show (hold/ the Students’ Union). are sent to children in poor areas by the Class1, Grade 8 students are collected for poor people are held by the Students’ Union

6. Finish Part B on page 100.

7. 1._____ a new library _____ in our school last year? A. Is; built B. Was; built C. Does; build D. Did ; build 2. Cotton （棉花） ____ in the southeast of China. A. is grown B. are grown C. grows D. grow 3.So far, the moon ____ by man already. A. is visited B. will be visited C. has been visited D. was visited

8. 4. How many trees ____ every year? A. are planted B. will plant C. have been planted D. planted 5. The Great Wall ____ all over the world. A. knows B. knew C. is known D. was known 6.A story _____ by Granny yesterday. A. was told us B. was told to us C. is told us D. told us

9. 用括号内所给动词的正确形式填空 1.It's said( 据说 ) that the long bridge______________ （ build ） two months ago ． 2.Which language _______the most widely_______ （ speak ） in the world ？ 3.Last year a large number of trees______________ （ cut ） down ． 4. Vegetables, eggs and fruits_________ (sell) in this shop. 5. The room _____________ (clean) by me every day. 6. This kind of shoes __________ (sell) well. 7. The food _____________ (smell) delicious. 8. Look! Someone __________(dance). was built is spoken Were cut are sold is cleaned sells smells is dancing

10. 把下列句子改成被动语态 : 1. They helped the poor child last week. 2. We collect warm clothes for the poor people. 3. My parents give me a birthday present every year. 4. She often takes care of the little girl. 5. He made me do that. 6. I often see him sing songs in the park. The poor child was helped by them last week. Warm clothes are collected for the poor people by us. I am given a birthday present by my parents every year. A birthday present is given to me by my parents every year. The little girl is often taken care of by her. I was made to do that by him. He is often seen to sing songs in the park by me.

11.  他的眼睛几个月前被治愈了。  每年在山上种许多树。  许多人被邀请参加这次慈善活动。  需要更多的钱来支持这项工作。  在他们的帮助下，这家公司于上周成立了。 Translate the following sentences into English His eyes were cured several months ago. Many trees are planted on the hill every year. Many people are invited to take part in this charity. More money is needed to support the work. With their help, this company was set up last week.