You_____ all those calculations! We have a computer to do that sort of thing.
#63501
A
needn’t have done
B
must not have done
C
shouldn’t have done
D
can not have done
推荐题目
—Look, someone is coming. Guess who ____________.—Jack. He’s always on time.
#78154
A
can it be
B
it can be
C
can he be
D
he may be
—Look at the man in the classroom! Is he Mr. White?—No, it __________be him. He’s eating in the dining hall.
#77773
A
can’t
B
mustn’t
C
may not
D
needn’t
—How is the debate of your essay?—It ____ well, but I ____one of the key points.
#62979
A
might work; hadn’t forgot
B
needn’t have worked; forgot
C
could have worked; forgot
D
would work; hadn’t forgot