问题
选择题
I didn’t understand ______, so I raised my hand to ask.
A．what my teacher says
B．what does my teacher say
C．what my teacher said
D．what did my teacher say
答案
答案：C
题目分析：句意：我不明白老师说的什么，所以我举起手来问。根据所给选项此题是考查宾语从句，宾语从句的语序是陈述语序，排除B、D，此题主句是过去时态，所以宾语从句也用相应的过去时态，故选C。