英语he left home two weeks ago and we haven't heard from him__

问题描述:

英语he left home two weeks ago and we haven't heard from him__
a.since b.later c.already d.still

a.since
在此为adv.:此后,自那以后;后来
翻译:两个星期前他离开了家,自那以后我们没有听到有关他的消息