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