(2013·安徽高考)It ________ be the vocabulary that caused you the problem in the exercise because you know a lot of words.
#62392
A
may
B
couldn't
C
should
D
needn't
推荐题目
Mark was afraid of being scolded,so he________say what he thought to his parents.
#62202
A
dare not to
B
doesn't dare to
C
dared not to
D
didn't dare to
 —Can you play the violin? —_____. But I can sing.
#74698
A
Yes, I do
B
No, I don’t
C
Yes, I can
D
No, I can’t.
 I ____ have been there, but I ____ not find the time.
#62724
A
could; must
B
must; could
C
should; could
D
should; would