1. The s             on the teacher's face showed that she was pleased with us.
2.  Listen!There is somebody k           at the door.
3. There are n           34 million people living here.
4. Now stop writing and listen to me c            .
5. Trees and flowers are planted every year to make our country more b           
6. Pollution is a             (严重的) problem. Scientists have come up with some good ways to solve it.
7. It is            (必要) to learn English well.
8. A lot of meetings were put off because of the             (危险的) disease.
9. I           (不知道) if the teacher will come tomorrow.
10. Ann has made great             (进步) recently.

1. He is not a man who____（宽恕）easily.
2. It's said that the pirates buried their____（金银财宝）on this island.
3. He________（欠）to him a favour.
4. She was known to all for her________（体贴）.
5. Looking after children requires________（耐心）.
6. That's a________（公平）comment.
7. His mother is a________（模范）of industry.

1. You can't stay here. ________ ________ ________(换句话说）,you should leave.  
2. ________ ________ _________ _______ _______ _____(从我心底里说）,I love my parents .   
3. My mother is kind, though she________ ________ _______    ________（对我严格）．   
4. My classmates and I always________ ________ ________    （保持联系）．  
5. I’ll ________ ________ ________(偿还你)for your help.

1. If you want to catch that train we'd better____ for    the station at once.    
2. Be careful not____ the ladder.    
3. I can't promise, but I____.    
4. Mr. Smith needs more exercises____.
5. Mike has only driven to the pub         his new car-he usually walks !
6. He_______ what he had done.
7. She's a bravely player; she never _______,          
8. He_______ his success more_______ luck than to ability.
9. My friend has gone to another city, but we usually ________.
10. I_______ catch the early train, but I didn't get up in

1. He is a________（毕业生）in medicine.
2. The winner will receive a prize to the________（价值）of  5 ,000 yuan.
3. They have a____（决定）that they'll try their best to  improve the equipment.

1. Only work hard can you________（得到工作）．
2. Don't worry. I’ll________（付款）your work.
3. When you____（长大）,you'll know the truth.
4. Don't be nervous, you can________（休息一 年）．
5. You can play with____（各种水平）．

1. Have you done your homework _____? (for, just, yet)
2. I have _____ been to Chengdu. (ever, never, yet)
3. He has _____ washed the dishes. (already, ever, for)
4. He has worked there _____ he left school. (already, just, since)
5. Have you cleaned your room _____? (for, just, yet)
6. She has known Sam _____ nine years. (for, never, since)
7. They have _____ arrived. (ever, just, yet)
8. Have you _____ ridden a horse? (ever, for, yet)
9. She has known Fred _____ they were at primary school. (already, just, since)
10. We haven't completed the project _____. (already, for, yet)

1. If you know the answer to the question,r___your hands please.
2. They like reading and they t___books most.
3. The g___of our school will have a leavers' party next week.
4. I made a terrible mistake , but my teacher f___me.
5. Teachers should be p___to all the students.
6. Parents are usually children's m___.
7. Don't touch the lights in the c___. It is dangerous.
8. I couldn't make a d___which one to buy, because they were both perfect.
9. The music is great and it's got a great b___
10. I have a bad toothache , so I have to see the d___.