It             be the vocabulary that caused you the problem in the exercise because you know a lot of words.
#62951
A
may
B
couldn’t
C
should
D
needn’t
推荐题目
– I ran 10 miles last weekend. Can you believe that? – Wow, that ______ easy!
#62638
A
mustn' t be
B
mustn't have been
C
can't have been
D
couldn’t be
Your school things should _____.
#76216
A
be looked after well
B
be looked well after
C
be taken good care
D
be taken care of well