19~22讲大学新编语法课后练习答案.docVIP

a新编英语语法教程 第20讲 练习参考答案 Ex. 20A a) 1. The two girls are attractive to look at. 2. The film was easy to follow. 3. The monkey was amusing to watch. 4. Reference books are useful to have. 5. The form is complicated to fill in. 6. Wet grass is difficult to burn. 7. A spring mattress is comfortable to sleep on. 8. Petrol is dangerous to set fire to. 9. Roast beef is nice to eat. 10.New countries are often exciting to go to. 11.The main road was busy to cross. 12.The twins are alike to look at. 13.One patch of ground was damp to walk on. 14.The music was gay to listen to. b) 1. / 2. It was easy to follow… 3. It was amusing to watch… 4. It is useful to have… 5. It is complicated to fill in… 6. It is difficult ti burn… 7. It is comfortable to sleep on… 8. It is dangerous to set fire to… 9. It is nice to eat… 10.It is often exciting to go to… 11. / 12. / 13. / 14. / Ex. 20B 1. I was sorry to learn… 2. You will be sad to hear… 3. They would be very surprised to receive… 4. She is happy to have found… 5. I was afraid to go… 6. Bob was pleased to hear… 7. I am very anxious to meet you. 8. We were delighted to receive your telegram. 9. You were sensible to stay indoors. 10. The clerk was prompt to answer the call. 11. This rule is easy to remember. 12. We are reluctant to leave this neighbourhood. 13. Our house is difficult to heat. 14. Are you ready to leave? 15. You would be foolish to go out in this weather. 16. John is quick to see the point. 17. He is very keen to get on. 18. We are proud to have him as a friend. 19. I was rude not to answer your letter. 20. We are happy to have you with us this evening. Ex. 20C 1. His decision to resign surprised all of us. 2. He showed no inclination to leave. 3. Her resolution never to marry baffled all offers of love. 4. The City Council approved the proposal to build a new dam on the river. 5. Their readiness to accept the peace arrangement really su