(2012·全国卷Ⅱ)The old man sat in front of the television every evening, happy anything that happened to be on.
A. to watch
B. watching
C. watched
D. to have watched
网友回答
(答案→)A. to watch
B. watching
C. watched
D. to have watched
解析：选A 考查非谓语动词。句意：老人每天晚上坐在电视机前，看电视上播放的任何电视节目都很高兴。后半句是形容词短语作伴随状语。