I thought you _____(know) the news.That"s why I_____(not teill) you yesterday.

问题描述:

I thought you _____(know) the news.That"s why I_____(not teill) you yesterday.

knew
did not tell

know,
didn't tell

had known
didn;t tell

I thought you knew the news. That's why i didn't tell you yesterday
thought 和 yesterday 指明是过去了的 因此用过去时