问题
选择题
I think Father would like to know ___________ I've been up to so far, so I decide to send him a quick note
A．which
B．why
C．what
D．How
答案
答案：C
主要测试宾语从句。由句子语境可知：动词know需要宾语从句，同时句子I've been up to so far中缺少介词to宾语，答案中能够充当双重成分的引导词只有what。