句型转换。

1. When I looked out of the window, I saw people working hard to remove the snow. (对划线部分提问)

     ____________________________________________________________________

2. Millie doesn't buy clothes made of animal fur. (对划线部分提问)

    ____________________________________________________________________

3. She hurt her left leg but it was not very serious.

   Her left leg __________ hurt very ___________.

4. "Who are you looking for?" Tom asked Millie.

    Tom asked Millie who she _________ _________ for.

5. I knew something about wetlands after our teacher told us.

    I knew ________ about wetlands ________ our teacher told us.