问题
选择题
As a new graduate，he doesn't know ________it takes to start a business here.
A．how
B．what
C．when
D．which
答案
B
题目分析：考查宾语从句。题意 做一个新毕业生，他不知道拿什么去创业。在know的宾语从句中，it take sth to start a business，take缺少宾语，故用what引导。
考点 考查宾语从句