--- This must be a footprint of a tiger. --- It ____ be. A tiger’s should be much larger and deeper than this. 
#62711
A
mustn’t
B
won’t
C
shan’t
D
can’t
推荐题目
---I didn’t go to work today. ----You _____; it’s Sunday today.
#63665
A
mustn’t have
B
didn’t need to
C
can’t have
D
needn’t have
--Excuse me,Mr. Li,_________ I close windows? It’s cold now.--Yes,you__________
#76604
A
can; can't
B
can; may
C
may; can’t
D
may; can
He ________ if he works hard for the people.
#62513
A
shall praise
B
shall be praised
C
will praise
D
will be praised
 —Is Jack on duty today? —It_____ be him. It’s his turn tomorrow.
#62168
A
mustn’t
B
won’t
C
can’t
D
needn’t