On the afternoon,I arrived at the station.这是高中课本中的一句原话,可我们不都是说in the afternoon吗?为什么这里用on 好奇怪.

On __sunny afternoon ,my parentsand I had a good time on the beach . Yesterday afternoon I found a group of boys p soccer on the palygroundYesterday afternoon I found a group of boys p------ soccer on the palyground该填什么 On ___sunday afternoon,my parents and I had a good time on the beach用the还是a? on ()Sunday afternoon ,my parents and I had a good time on the beach.the an a / I finish school ()three thirty ()the afternoon.A at in B in at C on at I have English the afternoon of Tuesday A.in B.for C.on It was a bright afternoon.I was playing games on the computir...30业阅读理解 On ___sunny afternoon ,my parents and I had a good time on the beach.A,theB,aC,/ On____sunny afternoon ,my parents and I had a good time on the beach.A.the B.a C./ D.an on a hot afternoon对吗?为什么不是in而是on?i can't stay awake on such a hot lazy afternoon.这句话对吗?不是应该in the afternoon吗? I saw him__(sit) on the bench yesterday afternoon I hear Mr.Smith is coming to give us a talk ______.A.in the afternoon B.on tomorrow C.at this evening D.tomorrow afternoon为什么呢? I read a book about Dr Sun Yatsen at the school library()yesterday afternoon a:on b:in i want to buy a pair of tennis shoes ( )the afternoon.A,on B,in C,at D,of On () sunny Sunday afternoon,my parents and I had a good time on the beach. A.a B.the C.an D./ I'll visit the museum this afternoon.A lot of new thing are on s___横线处填什么, 是用in the morning/afternoon 还是on the morning/afternoon比如：I have four lessons in the morning.I have two lessons in the afternoon. 是On the afternoon of March the 14th还是I n the afternoon of March the 14th?