you'dbetterlistentotheteachercarefullyyou'dbetterlistentotheteachercarefullyandtake________wheniitisnecessary.
2021-12-04 53次 反馈错误 加入收藏 正确率 : 100%
题目内容：
you'd better listen to the teacher carefully
you'd better listen to the teacher carefully and take ________ wheni it is necessary.
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