句型转换。
1. Li Ming goes to work on foot.（对划线部分提问）
2. I fell on the ground yesterday.（改为否定句）
3. What does your mother do?（改为一般过去时）
4. I had a gift for you.（改为一般疑问句）
5. It's sunny today.（对划线部分提问）
1. How does Li Ming go to work?
2. I didn't fall on the ground yesterday.
3. What did your mother do?
4. Did you have a gift for me?
5. How's the weather today?