但last night 昨夜;in the evening 在晚上; on time准时，in time及时，等则不同。

　　年月日，加早午晚，of之前on代in

　　例： on the morning of 18th 18日早晨

　　on the evening of 4th 4日晚上

　　On the eve of their departure they gave a farewell banquet and their head ga