根据每个句子后面的要求转换句子。

1. She said, "I can do a good job as a volunteer." (改为间接引语)

    She said ______ ______ do a good job as a volunteer.

2. He's gone to the beach to have a vacation. (改为一般疑问句) 

    ______ ______ gone to the beach to have a vacation?

3. John did his homework last night. (用 at nine o'clock last night 替换 last night)

    John ______ ______ his homework at nine o'clock last night.

4. The boy was riding a bike when the UFO landed? (对画线部分提问)

   ______ was the boy ______ when the UFO landed?

5. Do you mind if I smoke here? (变为同意句)

   Would you mind ______ ______ here?

6. He is a very lucky guy. (改为感叹句) 

   ______ ______ lucky guy he is!

7. Victor has to skate for four hours a day. (改为否定句) 

   Victor ______ ______ to skate for four hours a day.