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
_______ you tell me how I_______ get to the No．168 Middle School?
#74566
A
Do；can
B
Can；could
C
Could；can
D
Could；could
——Will you stay for lunch?——Sorry， . My brother is coming to see me.
#63161
A
I mustn’t
B
I can’t
C
I needn’t
D
I won’t
There's only one day to go. You _____ finish your schoolwork by tomorrow.
#75440
A
can
B
will
C
must
D
may