You have taken part in some volunteer activities during the summer holidays,haven’t you?

问题描述:

You have taken part in some volunteer activities during the summer holidays,haven’t you?
haven’t you?构成了句子的_____________部分

构成了句子的 疑问 部分
这是个反意疑问句
前部分是陈述部分
后面是疑问部分