按要求改写句子。

1. I went skiing on my holiday. (就画线部分提问)

     ____________ ____________ you ____________ on your holiday?

2. Mike saw pandas in the zoo. (变为一般疑问句)

    ____________ Mike ____________ pandas in the zoo?

3. Did the dog see the kite? (作否定回答)

    ____________, ____________ ____________.

4. Sarah can play the piano. (变为否定句)

    Sarah ____________ ____________ the piano.