I know that ____(be) a fact.

I know that ____(be) a fact. I know you know ,but i do not know!that just a joke.In fact, In fact,I do not want to give upI know that you could not be In fact,I don't know why I want to be a farmer. I know this for a fact 请问 I know the fact that he is right 是 You don't know that for a fact. Don't say that I don't know anything; in fact ,I know what y I know he ____ tell you that he ____.A.didn't；would come B.d I know the fact that he doesn't know.是不是同位语从句? I don't know whether you happen ____.A.to be heard B.to be h In fact,I want you to stay,but I know I can't be too selfish