—The exam was easy, wasn't it?
—Yes, but I don't think could pass it.
A. somebody
B. anybody
C. nobody
D. everybody
网友回答
A. somebody
B. anybody
C. nobody
(答案→)D. everybody
解析：D
全部否定的不定代词：
none, no one, nobody, nothing, neither, not any, no＋名词。
部分否定的不定代词：
not与all, both, everyone, everybody, everything等连用，其中not可以位于句首或句中。