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

—Who telephoned you just now?— don’t know. I was about to answer the phone when it ________.

We must keep our room clean. Dirt and disease go _____ you know.

—Mary told me she would﹍﹍computer studies.—Really? I’ll try my best to ask her to﹍﹍such foolish ideas.

Sugar______naturally in fruit, so eating fruit can add to the contents of sugar inside our body.