People in Korea _______bow when they meet for the first time.
In my senior high school, I will ______ than I did in my junior high school.
—We can use Wechat(微信) to talk with each other online.—Really? Could you please show me how ______it?
—Mr. Smith, would you please speak a little more ________?—Sorry! I thought you could follow me.
—How clean the room is! —Yes,I am sure that someone _______ it.
________ mothers can't come to the meeting because they have gone to Dalian.