I _____ asleep in the corner,for I remember nothing of what happened during the night.
A. might fall
B. must fall
C. must have fallen
D. can have fallen
A. might fall
B. must fall
C. must have fallen
D. can have fallen
【答案】
A. might fall
B. must fall
C. must have fallen
D. can have fallen
A. might fall
B. must fall
C. must have fallen
D. can have fallen
【答案】
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