3.Mary's uncle left home sometime before liberation, never ________ again. A.to hear from B.hearing from C.to be heard from D.being heard from 答案与解析:C 本题考查不定式作结果状语表示出乎意料的,甚至不幸的结果;而现在分词则表示自然结果,同时Mary's uncle与hear from是被动关系。