按要求改写句子，每空只填一词。

1. He often does his homework after supper. ( 改成一般疑问句)

    _______ he often _______ his homework after super?

2. They were excited at seeing the film. (改成感叹句)

    _______ _______ they were at seeing the film.

3. He has learned to play the piano since he was five years old. (对划线部分提问)

    _______ _______ has he learned to play the piano?

4. English is so hard that I can't learn it well. (同义句)

    English is               hard for me               learn it well.

5. Both Lucy and Kate are Americans. (否定句)

    _______ Lucy              Kate is an American.