You feel all the training a waste of time, but I’m a hundred percent sure later you’ll be grateful y...
2022-10-12 07:17:07 109次 2016年高考一轮复习新人教版必修4情态动词与虚拟语气（1）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 feel all the training a waste of time, but I’m a hundred percent sure later you’ll be grateful you did it.
A. should B. need
C. shall D. may
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