With the outbreak _______, schools began to open one after another. A.weaken B.weakening C.weakened ...
2022-05-30 06:37:13 25次 山东省济南市2019-2020学年高一5月线上考试英语试卷 单项填空 反馈错误 加入收藏 正确率 : 100%
题目内容：
With the outbreak _______, schools began to open one after another.
A.weaken B.weakening
C.weakened D.to weaken
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