I have heard a lot good things about you I came back from abroad. A. since B. until C. be

问题补充：

I have heard a lot good things about you I came back from abroad.

A. since

B. until

C. before

D. when

答案：

(答案→)A. since

B. until

C. before

D. when

解析：根据句意“自从你从国外回来我听到很多关于你的好评”，主句是现在完成时从句是一般过去时所以选since。until是直到……才；before 在……之前；when 当……时候。

【考点定位】考查状语从句引导词