I think you should complain— , of course, you are happy with the way things are.A. ifB. un

发布时间：2020-08-17 05:23:37

I think you should plain—     , of course, you are happy with the way things are.
A. if
B. until
C. unless
D. once

网友回答

A. if
B. until
(答案→)C. unless
D. once
解析：此处if如果；until直到……才； unless除非；once一旦。句意：我认为你应该抱怨，除非你对事情感到满意。根据句意选C。
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