While playing ping-pong, our eyes see the ball coming, judge its speed and then hit it back ________ it should go.

He was _____sad when the doctor told him his mother developed cancer[ ]

How come your hands feel as cold as ice! — I ____ my bicycle all the way here without my gloves

d of my sister, but she has a serious shortcoming She _______ be reallystubborn

The Chinese government has decided to develop the west of China,，I dare say，will benefit the peoplethere，especially those who are still leading a poor life.