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
—What a pity! Their experiment is a failure.—They ________ better under more favorable conditions.
#86419
A
should have done
B
could have done
C
must have done
D
may have done
They have promised the money collected be handed to the charity house.
#87117
A
can
B
must
C
will
D
shall
The happy smile on her face suggests that she _______ to the party tomorrow evening.
#87086
A
will go
B
should go
C
would have gone
D
is about to go
．—I did not know you were good friends．—You___．I have known her since she moved here．You were abroad then．
#88349
A
may have
B
needn’t have
C
couldn’t have
D
must have
You didn't let me drive. If we in turn, you so tired.
#86677
A
drove；didn't get
B
drove；wouldn't get
C
had driven；wouldn't have got
D
were driving；wouldn't get