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
You _____ to the meeting this afternoon if you have something important to do.
#75273
A
needn’t to come
B
don’t need come
C
don’t need coming
D
needn’t come
----- John looks a bit upset. Did you tell him the bad news? ------Yes, but I _____him after his birthday party.
#63346
A
should have told
B
must have told
C
shouldn’t have told
D
needn’t have told
—Can I tell Peter about the news?—No, I don’t want anyone else to know it. You _______keep it to yourself.
#77215
A
must
B
need
C
can
D
may
－What is your math teacher like, Nick?－She is very kind _________ she looks a little serious.
#77143
A
although
B
if
C
so
D
until
We _______ talk loudly when we see the sign “ Be quiet ”on the right.
#78159
A
must
B
mustn’t
C
need
D
needn’t