【題目】Don’t be angry with her. She made the mistake by chance, not _________.

A. in common B. by accident

C. on purpose D. by coincidence

【答案】C

【解析】考查介詞短語辨析。A. in common共有的；共同的；B. by accident偶然地；意外地；C. on purpose故意地；有目的地；D. by coincidence碰巧；該句句意：不要生她的氣。她并非有意犯錯。故該題正確答案為C.

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