句型转换。

1. Her blue pants are twenty dollars. (改为一般疑问句,并作否定回答)

   _______ her blue pants twenty dollars?   No,_______ _______.

2. The yellow shirt is fifteen yuan.(对画线部分提问)

   _______ is the yellow shirt?

3. My new shorts are blue.(对画线部提问)

    _______  are your new shorts?

4. The boy in green is my brother. (对画线部分提问)

    _______ _______  is your brother?

5. Can I help you? (改为同义句)

    _______can I_______ for you?

6. This sweater is  ￥60. (改为复数句)

    _______ _______ _______ ￥60.

7. She wants a black bag. (改为一般疑问句)

   _______she_______ a black bag?