--I can’t understand why our boss is late. --He _____the early bus.
#88079
A
could miss
B
may have missed
C
can have missed
D
might miss
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It rained a lot during their journey,so they _______ have had a good time.
#89808
A
can’t
B
must
C
shouldn’t
D
might
---My little daughter is coughing worse than ever. ---She ______ to the hospital yesterday.
#86468
A
had to be taken
B
should have taken
C
must have been taken
D
ought to have been taken
He ___________ the test, but he wasn’t careful enough.
#88168
A
was able to pass
B
must have passed
C
could have passed
D
might be able to pass
It’s time that you_____with the relief work in the flood-stricken area after the awful typhoon.
#86767
A
must help
B
can help
C
helped
D
have helped
You _____ pay your library fines. If not, you _____ not be allowed to graduate.
#90180
A
may; should
B
should; need
C
must; will
D
will; can