题目内容：
166. The computer system ___________suddenly while he was searching for information on the Internet. 在他上网查找资料的时候计算机系统突然瘫痪。A. broke down 坏了 B. broke out C. broke up D. broke in
参考答案：
选择题：166. The computer system ___________suddenly while
- 题目分类：东华大学大学英语4
- 题目类型：选择题
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A. broke down 坏了 B. broke out C. broke up D. broke in