单项选择题 When he was asked about the missing camera, the boy（）ever seeing it.

单项选择题 Their air of cheerful self-sacrifice and endless complaisance won them undeserved praise, for their seeming gallantry was wholly motivated by a ______ wish to avoid confict of any sort.

单项选择题 Ted got a better job and left the school before Mrs. Wolcox had him expelled（）