问题
选择题
A warm thought suddenly came to me __________ I might use the pocket money to buy some flowers for my mother’s birthday.
A．if
B．when
C．that
D．which
答案
C。
that在此引导同位语从句，修饰名词thought。此题的难点是，名词thought与修饰它的同位语从句被分离开了。