As it turned out to be a problem of no importance , we so much time looking into it .
#62607
A
needn’t spend
B
didn’t have to spend
C
needn’t have spent
D
oughtn’t to spend
推荐题目
This lift __________ only hold 12 people. It’s full now. We ________ wait for some more time.
#76695
A
can; have to
B
can; may
C
may; may
D
must; can
–May I take these books out of the reading room?-- No, you _________.
#75932
A
won’t
B
don’t
C
mustn’t
D
needn’t
—What does the sign over there read?—No person smoke or carry a lighted cigarette, cigar or pipe in this area.
#63185
A
will
B
may
C
shall
D
must
We can hardly believe that an intelligent person like Daniel ________ be asking such a silly question.
#62552
A
should
B
might
C
must
D
could
