Doctors say that exercise is important for health, but it _______ be regular exercise.
#87072
A
can
B
will
C
must
D
may
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—How was the professor's lecture?—Impressive. Thank you so much for giving me a lift during the rush hours. If not, I ________ the lecture today.
#87399
A
couldn't attend
B
might not have attended
C
mustn't have attended
D
can't have attended
The safety belt saved the boy; otherwise, he _____ in the accident.
#86842
A
would be killed
B
was killed
C
had been killed
D
would have been killed
We have bought so much food now that Suzie won’t be with us for dinner.
#87421
A
may not
B
needn’t
C
can’t
D
mustn’t