问题补充:
It is none of your business other people think about you.Believe yourself.
A. how
B. what
C. which
D. when
答案:
A. how
(答案→)B. what
C. which
D. when
解析:what引导主语从句,并在从句中作think about的宾语。it作形式主语。为了使句子保持平衡,常用it代替主语从句或宾语从句,而把主语从句或宾语从句放到后面。how引导主语从句时,在从句中作方式状语,意为“如何”。which引导主语从句时,在从句中作主语、宾语、定语或表语,意为“哪一个”。when引导主语从句时,在从句中作时间状语,意为“当……的时候”。