—Mum, may I draw some flowers on the wall?—Oh, no, dear, you _______. Why not draw your beautiful flowers on the paper?
You will fall behind others ____________ you work hard.
H7N9 bird flu is a virus can make people die. We’d better stay away from birds at present.
--- Could you tell me __________? --- Certainly. In half an hour.
--- Mum, why don’t you have the robot ________ housework for you? --- Oh, it caught a virus. I should have it _________ at once.
―Did you see Mr. Li when you were in France? ―No, when I ______, he ______ to Canada.