22. The teacher made the students copy the text.(改为被动语态)

    The students were              copy the text.

21. What food would you like best?(改为同义句)

    What’s            food?

20. The cat made an awful mess in the house.(改为感叹句)

19. Because of the rainstorms,hundreds of flights have been cancelled at the airport.(对画线部分提问)

    have hundreds of flights been at the airport?

18. All of the teenagers hope that they will achieve their dreams one day.(改为简单句)

    All of the teenagers hope              their dreams one day.

17. I want to go somewhere quiet for my vacation.(改为一般疑问句)

    you want to go quiet for your vacation?

16. The book journey to the West is mine.(改为同义句)

    The book Journey to the West            me.

15. Mr Jiang advised us which we should choose as our afterschool activities.(改为简单句)

    Mr Jiang advised us which              as our afterschool activities.

14. Jerry was very excited. He could not express himself clearly.(合并为一句)

   Jerry was excited he couldn’t express himself clearly.

13. If you are not careful enough,you’ll probably make a mistake.(保持句意基本不变)

      be careless,you’ll probably make a mistake.