……and that's what I was doing when Charlie came home.此处’s是is还是was?was可以缩写为’s吗?
问题描述:
……and that's what I was doing when Charlie came home.此处’s是is还是was?was可以缩写为’s吗?
答
……and that's what I was doing when Charlie came home.此处’s是is还是was?was可以缩写为’s吗?