I have heard a lot of good things about you I came back from abroad.
A. since
B. until
C. before
D. when
网友回答
(答案→)A. since
B. until
C. before
D. when
解析：
试题分析:考查连词用法。A自从；B直到；C在。。。之前；D当。。。时候。根据前面时态have heard可以判断后面用连词since，表示从过去某时间开始一直延续到现在的情况。句意：自从我在国外回来后我听到了很多关于你的好事。