句型转换。 1. I think it's polite to smoke in public places. (改为否定句) I ______ think it ______ polite to smoke in public places. 2. When will they arrive in Changchun? Can you tell me?(合为一个句子) Can you tell me ______ they ______ arrive in Changchun? 3. Tony likes reading after class.  Tony likes painting after class. (合为一个句子) Tony likes ______ ______ reading ______ ______ painting after class. 4. I think you could pass the exam . (就画线部分提问) ______ ______ you think I could ______? 5. I'm sure that I can do the work alone. (改为否定句) I'm ______ sure ______ I can do the work alone. 6. This is a restaurant.I often have meals here.(合为一个句子) This is the restaurant ______ I often have meals. 7. Few people enjoy working all day.(改为反意疑问句) Few people enjoy working all day, ______ ______? 8. Basketball was invented by a Canadian doctor. (改为主动语态) A Canadian doctor ______ ______. 9. This TV play is very thrilling. (改为感叹句) ______ ______ this TV play is! 10. Doing much housework is a hard job.(改为同义句) ______ a hard job ______ ______ much housework.