They have been to Tiannamen Square 改为一般疑问句
问题描述:
They have been to Tiannamen Square 改为一般疑问句
答
Have they must been to Tiannamen Square?
不太确定,好长时间没接触了
答
Have they been to Tiannamen Square? (主语和have互换位置即可)
答
Have they been to Tiannamen Square
答
Have they been to Tiannamen Square?