问题
选择题
This book _____ Tom's. Look! His name is on the book cover. [ ]
A. mustn't be
B. may be
C. can't be
D. must be
答案
答案：D
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This book _____ Tom's. Look! His name is on the book cover. [ ]
A. mustn't be
B. may be
C. can't be
D. must be
答案：D