Could you tell me ______?
A. what do they do that for B. why they are doing for
C. why do they do that D. what they do that for
Neither they nor I __________ to go camping yesterday．
A．am allowed B．are allowed
C. was allowed D．were allowed
—Is your uncle really very ill?
—______. He’s in hospital.
A. I don’t think so B. No, he isn’t
C. I hope so D. I’m afraid so
Joe has ______ for ten years. Ten years ______ a long time.
A. left; is B. left; are
C. been away; is D. been away; are
I enjoy staying outside so I always sleep with the window open it is really cold．
A. since B．when
C．if D． unless
It’s 12:00 pm now. They _________ be sleeping.
A. can B. would
C. must D. should
