Unfortunately, the computer system suddenly while they were searching for some information on the Internet. A. broke up B. broke down C. broke away D. broke out 题目和参考答案——青夏教育精英家教网—

题目内容

Unfortunately, the computer system ______ suddenly while they were searching for some information on the Internet.

A. broke up B. broke down

C. broke away D. broke out

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