It's good_____to stand up when you answer teacher's questions in _英语解答

It's good_____to stand up when you answer teacher's questions in class.
A.manner B.manners C.luck D.idea
请写出原因

人气：187 ℃　时间：2020-02-05 22:21:32

解答

B! 这个肯定对的,不解释,错了我是你孙子