——Tom is never late for work. Why is he absent today?—— Something _____to him.
#87520
A
must have happened
B
can have happened
C
must happen
D
can happen
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If you _______ the medicine, you _______ better now.
#89470
A
took; would feel
B
had taken; felt
C
had taken; would feel
D
took; would have felt
I could have called you for help, but I ____ your number.
#90107
A
couldn’t remember
B
didn’t remember
C
should have remembered
D
hadn’t remembered
—You know that you were driving at 100 kilometers per hour, don’t you?—No, officer, I _____ have been. This car can’t do more than 80.
#90166
A
mustn’t
B
shouldn’t
C
may not
D
couldn’t