—Let’s go to watch the cosplay show! —Sorry, I       . I have to go to my guitar lesson. 
#74411
A
shouldn’t
B
mustn’t
C
needn’t
D
can’t
推荐题目
The colour yellow______ the feeling of________.
#77339
A
makes;energy
B
creates;warmth
C
represents;purity
D
creates;harmony
– 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