按括号内的要求改写下列句子。

1. Mr. Jackson usually goes to work at eight o'clock in the morning.(对划线部分提问)

2. Is this your tomato?(改为复数形式)

3. They play basketball after school. (改为否定句)

4. I like science because it's interesting.(对划线部分提问)

5. He does his homework at seven pm. (改为一般疑问句并作否定回答)

1、1. What time / When does Mr. Jackson usually go to work? 

2. Are these your tomatoes?

3. They don't play basketball after school.

4. Why do you like science?

5. Does he do his homework at seven pm?  No, he doesn't.