Lost in thought,he almost ran into the car in front of him.为什么开头用LOST不用LOSTING或HAVING LOST

He became lost in thought是什么意思? When the teacher came in,he wae sitting at the desk,____in thought.A.being lost B.losing C.lost When the teacher came in,he wae sitting at the desk,____in thought.A.being lost B.losingC.lost 求答案～he was so deeply lost in thought that he（） into a wire pole.went 、 fell 、 ran 、 ...求答案～he was so deeply lost in thought that he（） into a wire pole.went 、 fell 、 ran 、 wandered 谢谢~ Lost in thought & lost in mind He sat opposite me,lost in ___.ideas,mind,thought,thoughts 选thought,为什么,请翻译 英语：_______ in thought,he forgot his appiontmentwith his dentist.A Lose.B Miss.C Lost.D Missing 翻译get lost in thought lost in thought 是什么用法 __in thought ,he almost ran into the car in front of him.A losing B having lost C lost D to lost哪个对呢?losing 和having lost有什么区别呢? He was sitting there,_____in deep thought.A.lost B.being lost 为何选B he sit in the chair,___(lost)in thought 用哪种形式?为什么? lost in thought , he almost ran into the car in front of him 为什么这里用lost,不用losing （lost）in thought,he almost ran into the car in front of him. 为什么填lost 问两道非谓语动词的题 求方法1.____ in thought,he almost ran into the car in front of him.A.Losing B.Having lost C.lost D.To lost我的思路是：因为是be lost in thought 所以B不对,但是其他三项怎么区分 是不是要先看 ________ is thought,he almost ran into the car in front of himA.Losing B.Having lost C.Lost D.To lose应该是in thought 英语中分词being done 与 having(been) done区别是什么?如Lost in thought，he didn't feel the pain.为什么不用Being lost in thought或Having been lost in thought？ Here's a good sale____ in thought,he almost ran into the car in front of him.A.Lost B.Having lost C.Losing D.To loseKey:A Please explain it clearly.Thank you!