He ____ writing the paper now. He hadn"t written a single word when I left him t

题型：同步题难度：来源：

He ____ writing the paper now. He hadn"t written a single word when I left him ten minutes ago. [ ]
A. shouldn"t be
B. can"t have finished
C. can"t be
D. mustn"t have finished

答案

举一反三

— She looks very happy. She ____ have passed the exam.
— I guess so. It"s not difficult after all. [ ]
A. should
B. could
C. must
D. might

题型：同步题难度：| 查看答案

The fire spread through the hotel very quickly but everyone _____ get out. [ ]
A. had to
B. could
C. was able to
D. could

题型：同步题难度：| 查看答案

— Everyone in my class passed the exam.
— Oh, really? It _____ difficult.

[ ]
A. can"t have been
B. needn"t have been
C. must be
D. mightn"t be

题型：0112 期末题难度：| 查看答案

In crowded places like airports and railway stations, you _____ take care of your luggage. [ ]
A. can
B. may
C. must
D. will

题型：0123 期末题难度：| 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：0123 期末题难度：| 查看答案