—Who will go to the airport to meet Mary?
—I will. I ________ her several times. I can find her easily.
A. met B. have met C. had met D. will meet
—It’s too hot. Would you mind _______ the door?—_______, please do it now.
A. to open; OK B. opening; Certainly not
C. opening; Of course D. to open; Good idea
We can’t work out the physics problem. Can you tell us________?
A. how to do B. what to do it
C. how to do it D. what should to do
The teachers hope all of us can hand ______our homework _____time every day.
A. up; in B. out; on C. on; in D. in; on
My teacher gave me much____on how to study English well when I had some trouble.
A. advice B. question C. suggestion D. problem
—Must I finish the homework right now, Mum?
—No, you_______. But you must finish it before 9 p.m..
A. mustn’t B. may not C. needn’t D. can’t