题目内容：

It's strange that you called because I was just thinking about you.
为什么不是is是was

优质解答

这种情况主要出现在交际场合,说的是某一动作之前的事,所以用过去式.比如这句话的意思是,刚才我正想到你,你就来电话了.
I didn't know it was you .刚才我不知道是你.（但现在知道了）