—_____your turn when the traffic light is red.— You’re right.A.Wait B.Wait for C.Waiting for
Don’t worry. The children always work hard and the teachers _______ in class.
—Mr Wang’s never been to Canada , has he?—________. He went there on business last week.
—______ a week do you use your computer?—Twice.
—Can I buy a film ticket?—Oh, sorry, we ___________.
—He’s stopped from smoking , ________he?—Yes, he ________ stopped smoking.