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) _________________________________________________________________________________ |