By the time I got to the airport, I found I my passport at home.
A.left B.was left C.has left D.had left
—Do you know the man is talking with our teacher?
—Oh, he is Tony’s father.
A.which B.who C.whose D.what
—How did you put together the model plane so perfectly?
—It's easy. I just followed the ________．
A.instructions B.instruments
C.interviews D.inventions
—How nice your mobile phone is!How much did you for it?
—3,000 yuan.
A.pay B.cost C.spend D.take
He be at home. He left for Beijing this morning.
A.can’t B.must C.mustn’t D.shouldn’t
—There is a lot of wind in North China.
—Well, more trees every year to stop the wind.
A.must be planted B.can planted C.should planted D.can plant
