1. 同义句转换。

1. （1） He spends half an hour playing basketball every day.     

   He  half an hour  basketball every day.     

   It  him half an hour   basketball every day.

3. （2） We spent 10 dollars on this beautiful box.

   We  10 dollars  this beautiful box.

   The beautiful box  us 10 dollars.

5. （3） My parents gave me a new piano.

   My parents gave     .

7. （4） My hobby is to play the piano.

   My hobby is  the piano.

9. （5） When I look at the nice girl, I feel very happy.

   The nice girl always makes   .