86. I think this time yesterday he ___ an English class in No. Three Classroom Building86. I think this time yesterday he ___ an English class in No. Three Classroom Building A. had B. will have C. was having D. would have

was having

had
过去时态，是昨天这时候

I think this time yesterday he was having an English class in No. Three Classroom Building

was having
句意：我想昨天这个时候，他正在第三教学楼里学英语。

was having, this time yesterday昨天的这个时候用过去进行时

took

had,根据yesterday

had

我想他昨天这时候在第三个教学楼上英语课。

用was having.
因为是昨天的这个时候。

was having
要用过去进行时态 因为前面有this time

首先是yesterday 是“昨天”是吧， 所以就要有过去的时态； 另外是昨天的“这个时候” 你想一下 是这个时候，，，，这个时候就应该是他当时正在做什么什么啦， 所以得要有进行的时态。 综合一下就是用“过去进行时” was having

was having ( this time yesterday :昨天这个时候) 用过去进行时

过去进行时。用 was having 。