( in/on/at )winter

( in/on/at )winter 是on winter 还是 in of atin winter of winter at winter in winter 还是 on winter after/in/on/at cold winter night 哪个对? last winter前面用in还是on还是at? 介词选用题( )Sep.12(on/in/at)( )A cold winter morning(on/in/at) 是at winter 还是in winter? __in beijing,people usually put on warm clothers.A winter B in winter C on winter D at winter1、__in beijing,people usually put on warm clothers.A winter B in winter C on winter D at winter 2、it is colder _____ beijing than ______nanjing in winter in winter holiday还是on winter holiday on winter day 还是 in winter day Lucy was bron in Shanghai ______one winter night.A./ B.in C.on D.at快 it is winter()china A On B at C about D iit is winter()china A On B at C about D in the girl was born______a cold winter nightA.at B.in C.on D.of The old man died __(on/in/at/from)a cold winter morning 什么a cold winter morning（in,on,at,for）100分! The accident happened _______ a cold winter morning.A.in B.on C.at D.of The accident happened ______ a cold winter morning.A in B at C of D on? The accident happened _ a cold winter morning.A.in B.on C.at D.X