问题
选择题
.
Who is the person ____is talking about the accident ___happened on Highway 104?
A．which, which
B．who, what
C．that, that
D．what, what
答案
答案：C
考查定语从句。先行词是人时，定语从句用who或that引导；先行词是物时，引导词用that或which。the person是先行词，第一空用who或that作主语；what不能引导定语从句，排除A、B、D。故选C。