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    【题目】If something happens__________, it happens quickly and unexpectedly (意外地).

    A. finally B. suddenly C. actually

    【答案】B

    【解析】

    试题分析：句意：如果突然发生了某件事，它就会迅速而出乎意料地发生。A. finally最后；B. suddenly突然地；C. actually实际上。结合句意可知，答案为B。

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