—Tom, you are smoking again?
—______? It’s none of your business.
A. So what B. How come C. Why not D. What for
— May I remind you that a Mr. Smith is waiting outside, sir?
— Oh, that’s right. I ______ about it.
A. forget B. forgot C. had forgotten D. have forgotten
They will fly to Washington, ______they plan to stay for two or three days.
A. which B. where C. there D. when
—I’ve told Nancy many times about the meeting, but she still forget it!
—I understand. Actually, anyone ______ be very forgetful at times.
A. must B. should C. ought to D. can
— David, keep ______ in mind that you have to be home by 10 o'clock.
— OK, Mom, I will.
A. it B. me C. this D. one
The lift ______ and we were trapped inside it.
A. broke down B. broke up C. broke out D. broke in
