Friday afternoon前面的介词是什么是on还是in啊,,为什么是= =.

friday afternoon.friday前面用in还是on? Friday afternoon前面的介词是什么是on还是in啊,,为什么是= =. friday afternoon every week 的介词 sunday days的介词 I play basketball on Friday afternoon的同义句是什么 on friday afternoon的friday前为什么不加the?告诉我语法就行 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 the afternoon 的前面用介词什么 Some students should be allowed to have Friday afternoon off to volunteer and help others.这里的have Friday afternoon off中的“off”如何翻译off 作为 定语 修饰have Friday afternoon吗 what classes do you have ____ Friday afternoon?what classes do you have ____ Friday afternoon?这里的空on at for in 用哪个 I usually play football on Friday afternoon.改为划线提问：（划线的是play football）.. They play basketball___every Friday afternoon横线处应填哪个介词?我听谁的呢？ We went for a swim at the pool last Friday afternoon 的同义句是什么 we clean the classroom every Friday afternoon.的句子成分为什么不能说we clean the classroom in every Friday afternoon或we clean the classroom on every Friday afternoon或we clean the classroom at every Friday afternoon为什么?时间状 the meeting is s______ for Friday afternoon. afternoon前面什么介词?我写的对吗? the afternoon next day的前面用on还是in