按要求改写句子，每空一词。

1. We can take a taxi to go there.（改为同义句）

We can go there                  .

2. There is nobody in the class.（改为同义句）

There is                    in the class.

3. The population of the small town is about 1,200. (就划线部分提问)           

         the population of the small town?

4. I can answer the question. (改为否定句)

I                   answer the question.

5. She is going to be a nurse in the future. (就划线部分提问) 

         is she going                   in the future?