是on Friday afternon,还是at Friday afternon

是on Friday afternon,还是at Friday afternon 是On Friday morning还是In Friday morning 请问是in Friday afternoon还是on Friday afternoon? in the afternoon of Friday还是on Friday afternoon 为什么是on Friday afternoon而不是in the Friday afternoon friday my birthday party is at five this afternon.翻译这句. 在Friday evening用on是吧 We have an English class____the afternon of Wednesday.为什么用on He usually prefers ____ (stay) at home on Friday night.答案给的是 这英语作文怎么写 开头是:On Friday,12 October at about 4 p.m on Friday evening