—Jenny，how did your math exam go?—I thought I ________，but in fact I came in the top 10% in the class.
#63590
A
might have failed
B
couldn’t have failed
C
should have failed
D
mustn’t have failed
推荐题目
—The weather isn't good enough for an outing, is it?—Not in the least. We can't have ______ at this time of the year.
#63056
A
a worse day
B
a nicer day
C
such bad a day
D
so fine a day
—May I smoke here? —If you _____, choose a seat in the smoking section.
#62987
A
should
B
could
C
may
D
must
—Could you please come to the museum with me this afternoon?—Sorry，I ________．I have to take a piano lesson at 2 pm．
#78166
A
couldn’t
B
mustn’t
C
can’t
D
needn’t