1. 句型转换。

1. （1） It often takes about 16 hours to go from Beijing to Shanghai by train. (对划线部分提问)

   it often to go from Beijing to Shanghai by train?

3. （2） She paid 100 yuan for the coat. (改为同义句)

   She 100 yuan the coat.

5. （3） His parents will go to Mount Tai by bus tomorrow. (对划线部分提问)

   his parents go to Mount Tai tomorrow?

7. （4） The train ticket cost him ￥120. (对划线部分提问)

   the train ticket ?

9. （5） Tom gets a letter from his father every month. (改为同义句)

   Tom his father every month.