He didn’t explain _______ why he was late, which made us unhappy. A. of us B. us C. for us D. to us
2023-02-06 08:52:24 170次 20102011学年度甘肃省高一下学期期中英语考试试题 单项填空 反馈错误 加入收藏 正确率 : 100%
题目内容：
He didn’t explain _______ why he was late,
which made us unhappy.
A. of us B.
us C. for us D.
to us
本题链接：
