It is a tradition for the Chinese to ______ about the bush, which sometimes makes foreignerspuzzle or misunderstand what you are saying.[ ]

Do you know _____ that Mr. White left the party without saying a word last night?—Perhaps because he was angry with Alan’s rude remarks.

He is a man of great knowledge, ___much can be learned

It’s very important for us to save water.—I agree with you. I hope _____ can realize that.

　Scientists have discovered amazingevidence showing how the human body rebuilds _______ while we sleep