选择填空：This is a book_______animals A:in B:about C:at

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选择填空：This is a book_______animals A:in B:about C:at
选择填空：This is a book_______animals A:in B:about C:at

选择填空：This is a book_______animals A:in B:about C:at
答案：B
about 表示“关于”、

b

B

B关于

This is a book__B_____animals A:in B:about C:at
介词，关于