问题补充:
单选题Itisdifficulttojudgewhetherwhathesaid_________.A.is worth to be praisedB.is worthy being praisingC.is worthy of being praisedD.is worth being praised
答案:
C解析动名词表示反复发生的动作,不定式表示一次性的动作,be worth后的动名词要用主动表被动。与worth相似的worthy却不一样,其后不接动名词而接不定式(若接动名词则其前应有介词of),且要用被动式表示被动含义。所以选C。