-When do you usually play ping-pong?-We usually play it ( )Friday afternoon.

问题描述:

-When do you usually play ping-pong?-We usually play it ( )Friday afternoon.
A.on B.in C.at D.of
应该选哪个?我认为是A,可是英语老师说选B,Thank you!

A
◎ 表示时间的某一点、某一时刻或年龄等用 at:
I get up at six in the morning. 我早上六点钟起床.
He got married at the age of 25. 他 25 岁结婚.
◎泛指一般意义的上午、下午或晚上以及月或年等较长的时间,一般用 in:
We watch TV in the evening. 我们晚上看电视.
He went to Japan in 1946. 他于 1946 去了日本.
◎若表示星期几,某一特定的日期,或具体某天的某个时段,则用 on:
He left here on the fifth of May. 他于 5 月 5 日离开这儿.
Are you free on Monday morning? 星期一上午你有空吗?