问题
选择题
单项选择。
— What's this ?
— ______. [ ]
A. This is a book.
B. That's a book.
C. It's a book.
D. I'm a book.
答案
答案：C
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单项选择。
— What's this ?
— ______. [ ]
A. This is a book.
B. That's a book.
C. It's a book.
D. I'm a book.
答案：C