As a graducate in computer science, he ___ to work out the problem.
#89044
A
wouldn't have failed
B
can't have failed
C
mustn’t have failed
D
might not have failed
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If he ______ it, he _______ it.
#88200
A
had seen; could have believed
B
saw; couldn’t believe
C
saw; couldn’t have believed
D
has seen; had believed
Henry would rather that his girlfriend _________ in the same department as he does.
#86890
A
worked
B
works
C
had worked
D
would work
—What do you think of Sam, the newcomer? —Well, he talks as if he ________ everything.
#87204
A
had known
B
has known
C
knew
D
will know