--- Who helped you clean the classroom yesterday?
--- . I cleaned it all by myself.
A. Everybody
B. Somebody
C. Nobody
D. Anybody
网友回答
A. Everybody
B. Somebody
(答案→)C. Nobody
D. Anybody
解析:Everybody每个人;Somebody一些人;Nobody没有人;Anybody任何人,用于否定及疑问句中。句意:昨天谁帮助你打扫了教室?结合下文,我自己全部打扫了。可知选C。