--- Isn’t that Ann’s husband over there ?--- No, it _______ be him--- I’m sure he doesn’t wear glasses.
#62991
A
can’t
B
must not
C
won’t
D
may not
推荐题目
 -- Must I return the book by the end of next month?--    . You can keep it as long as you like.
#62836
A
No, you mustn’t
B
No, you can’t
C
Yes, you have to
D
No, you needn’t
—Must we clean the classroom now?—No ,you _______.
#76832
A
must
B
needn’t
C
aren’t
D
mustn’t