I think they were Canadian.I don't think they were.They can't have been Canadian.They must have been Australian.帮我看看有无语法错误

分类: 作业答案 • 2021-12-20 03:29:41

问题描述：

I think they were Canadian.
I don't think they were.
They can't have been Canadian.
They must have been Australian.帮我看看有无语法错误

答