急求一题单项选择：The accident ____on a cold winter morning.A.came ab

急求一题单项选择：The accident ____on a cold winter morning.A.came ab The accident happened ______ a cold winter morning. The car accident happened( )a cold winter morning.填介词 The accident happened _______ a cold winter morning.A.in B.o The accident happened _ a cold winter morning.A.in B.on C.at The accident happened ________ a cold winter morning. A．in B The terrible accident happened in a cold,rainy morning 单项选择1.The boy was born ____ a cold morning.A.in B.on C.at D. 填空：__(介词) a cold winter morning. The accident happened -----a cold winter moring.A.In B.on C. 请问是In a cold winter morning 还是 on a cold winter morning? 英语选择 ____ a cold winter morning like this,this coat cannot k