问题
选择题
— What did he say in________of his stupid behaviour?
— He admitted that he had made a serious mistake.[ ]
A. explanation
B. favour
C. fear
D. support
答案
答案：A
搜题请搜索小程序“爱下问搜题”
— What did he say in________of his stupid behaviour?
— He admitted that he had made a serious mistake.[ ]
A. explanation
B. favour
C. fear
D. support
答案：A
垂直的平面方程是（）。