They had a fiy last week 改为一般疑问句
问题描述：
They had a fiy last week 改为一般疑问句
答
Did they have a fly last week?
不明白的再问哟,请及时采纳,多谢!The children had a good time in the park 改为一般疑问句Did the children have a good time in the park?There were about nine hundred people at the concert