— ____ I go out to play now , Mum ?     — No , you ____ . 
#89777
A
May ; shouldn''t
B
Can ; needn''t
C
Must ; can''t
D
May ; must
推荐题目
It was essential that the application forms ________ back before thedeadline.
#87750
A
must be sent
B
would be sent
C
be sent
D
were sent
He _______ the best person you had been expecting for the job, but who else _______?
#87031
A
may not be; could be
B
couldn’t be; might be
C
might not have been; could have been
D
mustn’t be; must have been