I arrived home at midnight,____my parents has been waiting for ne_英语解答

I arrived home at midnight,____my parents has been waiting for nearly three hours
A at that time B by that time C at which time D by which time

人气：345 ℃　时间：2020-03-24 22:00:19

解答

D咯~定语从句!确定不？我和你选的一样啊当然咯~逗号后面的句子系完成时用by作介词~~~感动~~~额。。介个系高中语法八~~恩恩，今天早上才考的要加油哦~介个which还能改成whose！