in dark night 还是 at dark night

in dark night 还是 at dark night in the dark 与 at night有什么区别吗? in a dark rainy night还是on a dark rainy night 为什么 sky in night 还是sky at night? 是at night还是in the night at还是 in a rainy night 在晚上是at night还是in night in a summer night还是at a summer night ___the night of July 13th 介词用at还是on如题 还有 ___the dark night Is it good in china to walk in the street at night in the dark,in case someone surprise you? I lost myself,in this dark dark night. 是at day time还是in day time,是at night time还是in night time 是in night还是at night,是at the afternoon还是in the afternoon in Saturday night还是on Saturday night还是at Saturday night at night / in the night The story took place -------a dark night.A at B in C on Dfrom 请问选哪个说明理由 late-night 介词用什么?on?in?at?late-night;午夜、在午夜，介词用？是at late-night 、on late-night 还是 in late-night We sleep at night when it is dark.We sleep at night since it is dark.哪一句才是对的呢?选when还是since,怎么感觉两个都可以.