问题
选择题
Then moment _________ Mary will always remember is _________ Mr. Black gave her a lot of valuable advice on how to improve her writing.
A．when; that
B．that; that
C．that; when
D．when; where
答案
答案：C
题目分析：考查定语从句。第一空考查定语从句，先行词为moment，在定语从句中作宾语。第二空是由when引导的表语从句。句意：那时玛丽总记得的时刻是当布莱克先生在关于怎么提高她的写作给出许多宝贵的建议。故C正确。