1. 句型转换

1. （1） Is cotton grown in South China?（变成主动语态）
   

   people tea in South China?

3. （2） I am given a birthday cake by my parents every year.（改成同义句）
   

   A birthday cake by my parents every year.

5. （3） The task is going to be finished in two days.（对划线部分提问）
   

   How the task going to be finished?

7. （4） The children will sing an English song.（变成被动语态）
   

   An English song by the children.

9. （5） People use metal(金属） for making machines.（变成被动语态）
   

   Metal making machines.

11. （6） He made me do that for him.（变成被动语态）
    

    I that for him.
    

13. （7） Did they build a bridge here a year ago?（变成被动语态）
    

    a bridge here by them a year ago?