问题描述: Once I travelled by ship ___1___ a cloudy morning.填空 无法理解哎 感觉是in 1个回答 分类:英语 2014-11-29 问题解答: 我来补答 具体在某一天或某天的上下午,都用介词on比如:on Sunday morning,on the afternoon of July 2nd,on a rainy night 展开全文阅读