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
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
 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