按要求变换句型。

1. I saw the film 2046 just now.(用just做状语)

I _____ just_____ the film 2046.

2. I’ve read this book.(改为一般疑问句)

____ ____ read this book?

3. She’s already done her homework.(改为否定句)

She____ ____ her homework _____.

4. I’ve known him since he came him.(对划线部分提问)

_____ ____ _____you known him?

5. Has Danny come?(作否定回答)

____, he_____.