一个英语问题
Where_____you saw him the day before yesterday?
A. was it B.was that
答案：Ａ
ＷＨＹ？
另外，it 和that都可以代替上文中提到过的事．
例如：1. The teacher kept telling Judy to pay attention to spelling,but it didn't help.
2. I always remember our first meeting with him.That was thirty years ago.
两着用法有区别吗？若无区别，为什么会有上面这道题？还有只有that's a good idea.等现象呢？
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问：working hard vs. hard working
答：there are no defferent.详情>>
