You must watch carefully everything _____ the teacher does in class. A. where B. who C. what D. that...
2022-11-13 22:15:13 205次 2014-2015学年福建漳浦三中、漳浦四中高一上第二次英语试卷（解析版） 单项填空 反馈错误 加入收藏 正确率 : 100%
题目内容：
You must watch carefully everything _____ the teacher does in class.
A. where B. who
C. what D. that
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