问题
选择题
—What's this in English?
—_________. [ ]
A. It's a book.
B. It's book.
C. It's books.
D. They are books.
答案
答案：A
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—What's this in English?
—_________. [ ]
A. It's a book.
B. It's book.
C. It's books.
D. They are books.
答案：A