句型转换。
We shouldn’t throw rubbish everywhere.（同义句转换）
We shouldn’t throw rubbish _____ and _____.
Hurry up. You will miss the bus.（合为一句）
       up,          you will miss the bus.
The population of China is 1.3 billion. (对画线部分提问)
               the population of China?
I have already seen the film. (改为一般疑问句)
Have you _____ the film _____?
Did your father go to Japan?（改为现在完成时）
_____ your father _____ to Japan?