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
推荐题目
—Did you visit the famous cultural relics last month?—No, we____ it, but we spent too much time shopping．
#86854
A
could have visited
B
must have visited
C
can't have visited
D
shouldn't have visited
We suggest that more measures _________ to solve the problem of overpopulation.
#87290
A
will be taken
B
be taken
C
can be taken
D
must be taken
Is it John that is being scolded in the manager’s office?No. It ______ be him. I saw him on the way just now.
#88132
A
mustn’t
B
won’t
C
can’t
D
may not
Teachers required that all the students ___ their homework all alone.
#87338
A
must finish
B
would finish
C
had to finish
D
finish