问题补充:
you are supposed to do you don like a thing is it. Don complain.
A. That; what; change
B. When; that; to change
C. What; when; change
D. What; that; changing
答案:
A. That; what; change
B. When; that; to change
(答案→)C. What; when; change
D. What; that; changing
解析:句意:当你不喜欢一个东西的是时候,你应该做的是改变它。不要抱怨。第一空填what连接主语从句,在主语从句中what做宾语,第二空填when,引导时间状语从句,第三空是省略to的不定式做表语,因为前面主句有do。所以选C。