1. 句型转换

1. （1） I spent two hours taking photos in the park. (改为同义句)

     me two hours   photos in the park.

3. （2） The boy plays computer games once a week. (对划线部分提问)

     does the boy play computer games?

5. （3） The river is five kilometers long. (对划线部分提问)

     is the river?

7. （4） The boys are going to do some exercise. (改为否定句)

   The boys going to do exercise.

9. （5） I'm going to Jiuzhaigou on holiday with my parents. (对划线部分提问)

     you going on holiday with parents?