___ a cold winter afternoon.应该填什么?填介词，请说出原因

()a cold winter morning ___ a cold winter afternoon.应该填什么?填介词，请说出原因 on a cold winter day,还是in a cold cold winter day为什么不用in The Browns usually drink some hot milk ___ a cold winter morning.A in B on C at D with a cold winter evening前的介词 a cold winter night 前面是什么介词? It was a cold winter day. the weather is cold （ ）.A,winter B,in winter C,at winter D,for winter the weather is cold ( ).A,winter B,in winter C,at winter D,for winter 请问是In a cold winter morning 还是 on a cold winter morning? In a cold winter evening还是 on a cold winter evening in winter ,it's ___ .it's not ___.1.hot...cold 2.hot ...cool 3.cold ...warm 1.They arrived ___London ___a cold winter night.1.They arrived ___ London___ a cold winter night.A.at,in B.in,on C.at,on D.in,at 2.It's rather cold today.You'd better ___ more clothes before you go out.A.put on B.wear C.to put on D.to wear 3.You must Although it is awfully cold this winter,we have kept physical training without interruption,___?A isn't it B haven't it ( ) a cold winter night.是用in还是on? 是on a cold winter morning还是in? The car accident happened( )a cold winter morning.填介词 i was born ____ a cold winter morningon /in