1. 句型转换

1. （1） Could you clean your room? (作肯定回答）

   , I .
   

3. （2） Write down what he said, please!（改为同义句）

   what he said?
   

5. （3） The boy threw something out of the window.（改为否定句）

   The boy out of the window．
   

7. （4） They ran to an apple tree. They picked apples.（合并为一个简单句）

   They ran to an apple tree apples.
   

9. （5） They began to work hard as soon as they arrived at the field.（改为同义句）

   they arrived at the field, they began to work hard.