用at in on填空 1.He is going to telephone-----------five o'cloc

at
时刻前用AT
再问： 用at in on填空 1.He is going to telephone___________five o'clock. 2.My brithday is _____May 21st. 3.It is always cold______February. 4.My father was there_____1984. 5.He is going to arrive_____Tuesday. 那这几题你会不会！
再答： 1 at 2 on 3 on 4 in 5 on 在某年/月/季度等用IN； 具体到某一天用ON