—Whoseisthepencilbox? —It__________beTom
问题:
—Whose is the pencil box?
—It __________ be Tom's. Look at his name on the cover! [ ]
A. can
B. may
C. must
D. need
—Whose is the pencil box?
—It __________ be Tom's. Look at his name on the cover! [ ]
A. can
B. may
C. must
D. need