【正文】
17. I’d like to join them.(改為一般疑問(wèn)句) 18. They are going to see a film tomorrow. (對(duì)畫(huà)線部分提問(wèn)) 19. I like collecting stamps and singing. (改為否定句) 20. He often cleans his bedroom. (改為一般疑問(wèn)句) 21. Liu Tao is watering flowers in the garden. (對(duì)畫(huà)線部分提問(wèn)) 22. David and Mike are going to planting trees this afternoon. (對(duì)畫(huà)線部分提問(wèn)) 23. He did his homework in the classroom. (改為否定句) 24.Wang Bing is heavier than Gao Shan. (對(duì)畫(huà)線部分提問(wèn)) 25. Tom jumps as far as Mike. (改為否定句) 26. The boy can jump higher than the girl. (改為否定句) 27. Liu Tao needs some pencils. (改為否定句) 28. Mary can fly. (變?yōu)橐话阋蓡?wèn)句,并作否定回答) 29. He has a brother. (改為一般疑問(wèn)句) 30. Nancy drew some pictures yesterday. (改為否定句) 31. Liu Tao usually reads newspaper. (改為過(guò)去時(shí))