【2016-12】Among the four sentences below, Sentence ________ expresses the highest degree of possibility.
A. It may take a long time to find a solution to the problem.
B. It might take a long time to find a solution to the problem.
C. It could take a long time to find a solution to the problem.
D. It should take a long time to find a solution to the problem.
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【2016-20】The sentence I wish I had been more careful in spending money express the speaker’s __________.
A. hope
B. joy
C. regret
D. relief
【2007-14】She ____fifty or so when I first met her at the conference.
A. must be
B. had been
C. could be
D. must have been
【2009-12】She _______fifty or so when I first met her at a conference.
A. had been
B. must be
C. has been
D. must have been
【2009-17】Aren’t you tired ? I _______ you had done enough for today.
A. should have thought
B. must have thought
C. might have thought
D. could have thought