题目内容：

句型转换

1.Mike has been ill for__about__three__days.(对画线部分提问)

________ ________ ________ Mike been ill?

2.Drinking too much is bad for your health.(改为同义句)

It's bad for your health________ ________ too much.

3.How about going out for a walk？(改为同义句)

________ ________ going out for a walk?

4.The new computer cost me 7,000 yuan.(改为同义句)

I ________  7,000 yuan ________the new computer.

5.The library is behind our teaching building.(改为同义句)

Our teaching building is ________ ________ ________ the library.