i( ) from him since he leftA didn't receiveB haven't gotC haven't heard为什么?

I haven't heard from him( )he went abroadA when D since 为什么选D I haven't heard from him since last week .请问这句话对吗? I ____(not receive)a letter from him since he left. I have already received la letter from him since he left变成否定句 i( ) from him since he leftA didn't receiveB haven't gotC haven't heard为什么? I have already received la letter from him since he left I haven't heard from him last week.I haven't heard from him _____ last week.(A)since (B) for (C)ago (D)before i tried to call you ______ i heard from him ,but you were not in / since while until because I haven’t heard from him（ ）he left home.A、when B、since C、as D、if He saidI haven't heard from him since May.改成转述感谢啊!是这样吗？had had? I (not see)him since 1995. i (not see)him since 1995 I should l( )from him. 1 、I ___(receive) a letter from Tom last week. I____(not hear) from him since 2000.1 、I ___(receive) a letter from Tom last week. I____(not hear) from him since 2000.2 、 I realized I ___(leave) my schoolbag at home when I got to my class I haven't met him since 1999.=It's ( ) years since I ( ) him. since引导的从句时态,求问i haven't heard from him since he lived in shanghai和i didn't hear from him since he lived in shanghai哪一句时态是对的?since引导的从句时态与主句时态求问（注：那一句是主句那一句是从 一道英语选择题Since I last met Tom in Beijing,I never saw him again,nor____ from him.A.did I hear B.I heard C.had I heard D.I had heard 翻译 Ever since I graduated from university