A.He should buy her a new dictionary.B.She finds the dictionary very useful.C.She doesn"t

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A.He should buy her a new dictionary.

B.She finds the dictionary very useful.

C.She doesn"t need a new dictionary.

D.He was too careless with the dictionary.

请帮忙给出正确答案和分析,谢谢!

热搜:a是b的充分条件,b是a的必要条件吗