作业帮 > 英语 > 作业

I haven't heard from Kate ____ she went to Canada 究竟是after还是

来源:学生作业帮 编辑:作业帮 分类:英语作业 时间:2024/05/17 08:12:26
I haven't heard from Kate ____ she went to Canada 究竟是after还是since
I haven't heard from Kate ____ she went to Canada 究竟是after还是since 这句子本来就没时间段啊,怎么选啊
since,用在完成时中,表示自从,后面接过去式的句子做状语,而主句用现在完成时.