5. He is so clever a boy that almost all teachers like him.

He is such              that almost all teachers like him.

4. Some people reported that there was serious waste from a factory.

_______  _______  _______  that there was serious waste from a factory.

3. The boss can control this situation easily.

It is      for the boss       this situation.

2. I have seen the film. He has seen it,too.
I have seen the film.              he.

 同义句转换

1. Hurry up, or you'll be late.

      you       hurry up，you'll be late.

5. Mr. Green has taught us English for two years.(对画线部分提问）

           has Mr. Green taught you English?

4. Mike has already finished his work.(改为否定句）

Mike finished his work              

3. He seldom uses paper towels.(对画线部分提问）

               does he use paper towels? 

2. We ought to leave at once.(改为否定句)
We                leave at once.

1. The population of the USA is 309 million. (对画线部分提问）

                of the USA?