My book was here a second ago but now it"s missing. Someone ________ a joke on m

题型：同步题难度：来源：

My book was here a second ago but now it"s missing. Someone ________ a joke on me.[ ]
A. must be playing
B. must play
C. can"t have played
D. can"t play

答案

举一反三

It ________ be really cold in November in Hefei though we usually have warm and sunny days.[     ]
A. should
B. will
C. must
D. can

题型：同步题难度：| 查看答案

—What do you think we should do for our aged parents?
—I think the most important thing we ________ do is try to stay with them for more time. [     ]
A. have to
B. ought to
C. will
D. would

题型：同步题难度：| 查看答案

As you know, although there are no classes on weekends now, no students ________ go out of school
without the headteacher"s permission.[     ]
A. will
B. must
C. may
D. shall

题型：同步题难度：| 查看答案

John promised his doctor he ________ not smoke, and he has never smoked ever since. [     ]
A. might
B. should
C. could
D. would

题型：同步题难度：| 查看答案

The traffic is heavy these days. I ________ arrive a bit late, so could you save me a place?[     ]
A. can
B. must
C. need
D. might

题型：同步题难度：| 查看答案