You needn’t have come in person --- a letter _____enough.
#63450
A
would be
B
is
C
would have been
D
was
推荐题目
I ________ work out the problem at first, but after my teacher showed me an example, I ________ get the answer easily.
#63120
A
couldn’t; was able to
B
can’t; could
C
wasn’t able to; could
D
was able to; was able to
My book, The House of Hales, is missing. Who ________ have taken it?
#62175
A
need
B
must
C
should
D
could
---Look! The light is still on. Is Mr Wu working in his office？---No, it _____ be Mr Wu. He has gone to Nanjing for a meeting.
#74102
A
needn’t
B
mustn’t
C
can’t
D
wouldn’t
A mistake ______ have been made on our bill. We didn’t order any fish today.
#62733
A
should
B
would
C
could
D
must
—Mary broke up with me! —You____ have forgotten about the Valentine's Day．
#63262
A
shouldn't
B
couldn't
C
needn't
D
mustn't