I wonder why Tom isn't at work today. I suppose he ___ ill.
A. must be
B. mustn't be
C. can be
D. needn't be
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Did she see you?No, she ____me.
A. can't see
B. mustn't have seen
C. mustn't see
D. can't have seen
The phone rang, but I didn't hear it. I ______ asleep.
A. must be
B. might be
C. must have been
D. can't be
I can't find George anywhere. I wonder where he is. He ____ tennis.
A. may have played
B. might be playing
C. might have played
D. can have played
We can't take this road, because a part of it is ____repair.
A. under
B. at
C. in
D. with