题目内容
8．She wasserving in the kitchen when the light went out．（serve）分析 停电的时候她在厨房里准备上菜．
解答 答案：serving 本题所考查知识点是对实义动词的理解．在when引导的从句里当一个动作发生时，这里指"灯熄灭时"用一般过去时，另一个动作"准备上菜"正在进行，使用过去进行时即was/were+doing；可知，故应填写serving．
点评 在题目中要找到某个词它对于快速准确选择起非常关键的作用，这样才能找到突破口；例如：本题里的关键词是when．
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