2019年mpacc考试英语真题——副词176

{01}It was April 29, 2001 _____ Prince William and Kate Middleton walked into the palace hall of the wedding ceremony.
A.that
B.when
C.since
D.before
解析：
本题选B。

{02}She"ll never forget her stay there _____ she found her son who had gone missing two years before.
A.that
B.which
C.where
D.when
解析：
本题选D。