Although your son made some mistakes, he worked hard at his lessons. You shouldn’t be hard ______ hi...
2023-01-21 17:43:30 139次 2014届湖南凤凰县华鑫中学高一12月月考英语试题 单项填空 反馈错误 加入收藏 正确率 : 100%
题目内容：
Although your son made some mistakes, he worked
hard at his lessons. You shouldn’t be hard ______ him.
A.
in B.
at C.
on D.
for
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