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
—Could I surf the Internet for twenty more minutes, Mum?—Oh, dear, if you________.
#62611
A
must
B
can
C
may
D
should
---Do you know why Anna hasn’t come to school today? ---I’m not sure. She _______ be ill.
#77446
A
can
B
should
C
must
D
may
—Mum, I can’t find my new pen.—Don’t worry. It ____________in one of your pockets.
#75735
A
may
B
maybe
C
may be
D
might
---Fifty dollars for such a T-shirt！You_____ be joking！--- I’m serious. It’s made of silk.
#62989
A
must
B
need
C
may
D
can
Don’t use water to put out the fire if oil catches fire. As is known, oil ____ float on water.
#63170
A
shall
B
must
C
may
D
will