It’s very impolite _________ others _________. A. keep; waiting B. to keep; waiting C. to keep; wait...
2022-10-24 07:31:02 127次 人教版九年级下册英语 unit10 第3课时 测试 单选题 反馈错误 加入收藏 正确率 : 100%
题目内容：
It’s very impolite _________ others _________.
A. keep; waiting B. to keep; waiting
C. to keep; wait D. keep; wait
本题链接：
