Why is so silent in the room? He asleep now. [ ] A. should be B. must be C. must
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![Why is so silent in the room? He asleep now. [ ] A. should be B. must be C. must](/pic/43_784149.jpg)
Why is so silent in the room? He ________ asleep now.
[]A.should be
B.must be
C.must have been
D.should have been
试题答案
答案:B