It ________be the vocabulary that caused you the problem in the exercise because you know a lot of words.
#62306
A
may
B
couldn’t
C
should
D
needn’t
推荐题目
(2013·新课标Ⅰ，29)The door________open，no matter how hard she pushed.
#62491
A
shouldn't
B
couldn't
C
wouldn't
D
mightn't
-Will the book I ordered arrive in time? -lt _______, if there is no traffic jam.
#62749
A
must
B
can
C
should
D
would
His failure suggested that he the teacher’s suggestions．
#62975
A
can’t have followed
B
needn’t follow
C
mustn’t have followed
D
shouldn’t follow