I don’t know _________ the problem.
--You look so fired, Betty. --I _ _ slept at all and feel pretty awful.
Which sign means “Save Water”?
The Taiwan spotted deer, Fan Xing and Dian Dian, __________ to the Chinese mainland on April 16, 2011.
I hate people _________don’t help others when they are in trouble.
—The sweater is very nice. I’ll take it.—But you’d better ________ first. I think it is a little large for you.