2、hina.2.Lost in thought, he almost ran into the car in front of him.3.Heranallthewaytothestation,onlytofindthetrainhadleft.4.Not knowing her address, I can’t write to her to express my gratitude to him.不定式作原因状语过去分词表原因不定式表出乎意料结果现在分词表原因Guesswho(what)theyareaccord