题目内容
1. My sister rowed a boat last Saturday. (对画线部分提问)_________________________________________________________________________________2. I played football yesterday afternoon. (改为一般疑问句并作否定回答)_________________________________________________________________________________3. They bought some flowers for their teachers last Wednesday. (变成否定句)_________________________________________________________________________________4. Mary wrote a letter to me last week. (对画线部分提问)_________________________________________________________________________________