I. 指出下列句中划线部分的短语所充当的成分。 1. My brother teaches in a university . 2. Most students in my class like playing chess . 3. Yesterday morning , I went to visit an old friend of mine . 4. My having made so many mistakes made the teacher very angry . 5. The book lying on the desk is on American Revolution . 6. They remained silent for a while . 7. To finish the task in time is absolutely necessary . 8. There are various colour TV sets on sale . 9. John ’ s girl friend sings very beautifully . 10. The newly built high way is ten miles long . II. 指出下列各句的句子种类。 a. 陈述句 b. 疑问句 c. 祈使句 d. 感叹句 11. How funny it is! 12. Do come, please. 13. Can ’ t you be more careful? 14. They won ’ t come, will they? 15. Let me try. 16. A square has four equal sides. 17. I don ’ t know how to solve the problem. 18. Which is heavier, copper or iron? 19. What noises! 20. Let ’ s not waste time. III. 指出下列各句所属的基本句型。 a. 主 - 动 - 表 b. 主 - 动 c. 主 - 动 - 宾 d. 主 - 动 - 间宾 - 直宾 e. 主 - 动 - 宾 - 21. The pain drove me mad. 22. Her explanation sounds crazy. 23. She threw him a kiss. 24. Time flies. 25. The cat caught the little mouse. 26. Many people consider the astronaut a great hero. 27. He has grown very old. 28. Milk is healthy. 29. Architects design buildings. 30. She offered me some cakes.