25.　　 Nancy drew some pictures yesterday. (改为否定句)

写作：一篇100单词左右的的文章10分

我的。。。。。。。

24.　　 I like playing football. (改成第三人称单数he)

23.　　 Mary can fly. (变为一般疑问句，并作否定回答)

22.　　 They are our women doctors. (变为单数)

21.　　 Liu Tao needs some pencils. (改为否定句)

20.　　 It is hot in summer in New York. (对画线部分提问)

19.　　 The boy can jump higher than the girl. (改为否定句)

18.　　 Helen is good at singing. (同义句)

17.　　 I see a man behind me. (改为一般过去时)

16.　　 He did his homework in the classroom. (改为否定句)