Tom, clean up the broken glass _________ someone walks on it.
—What’s your impression of the Great Wall?—Wonderful! One , it can never be forgotten.
April 1 st is a special day, practical jokes may be played without punishment.
—I quarreled with my deskmate yesterday. It’s all my fault.—Look, she is just over there. —go and say “sorry” to her.
One advantage of playing the guitar is it can give you a great deal of pleasure.
Less than twenty percent of the employees in their company are women. That is to say, men are in the .