这这边,having lost the key=lost the key么?句子是这样的：Having lost the key,the boy couldn't enter his house.

这这边,having lost the key=lost the key么?句子是这样的：Having lost the key,the boy couldn't enter his house. The key ___,he could not enter the room.A having been lost B had been lost C having lost D losing 英语单项（需解释） --------in the mountains for a week ,we finally saved by local policeA ,Having lost B,Losing C ,Being lost D,Having been lost ___(having lost/ lost)in the mountains for a week,the 2 students were finally saved .答案选的是LOST,搞不懂为什么如果是HAVING BEEN LOST可以吗？BEING LOST呢？ Having been 是什么时态Having been lost in the mountains for a week ,the two students were finally saved by the local police.为什么不是 have been lost in the mountains for a week ,the two students were finally saved by the local policeA Having lost B lost C being lost D losing有几种大家回答的比较多的答案,having been lost ,lost,having lost ,还有,为什么不可以用being lost? ____ his key, the man looked ____a. Lost; worried b.Losing; to be worriedc. Having lost; worried为何选C? Even the best writers sometimes fingd themselves ____for wordsA lose B lost Cto lose D having lost 这道关于非谓语动词的英语题该选什么?_____in the fog,we spent 2 hours in the forest.A.Lost B.To lose C.Losing D.Having lost最好可以说一下理由 ＿＿the car couldn't be started. A Having lost the＿＿the car couldn't be started.A Having lost the keyB The key lost为什么选B请详细说明理由谢谢 __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? 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 Even the best writers sometimes find themselves ___ for words a.lose b.lost c.to lose d.having lost为什么要用lost而不是lose Anna was reading a piece of science fiction,completely ___ to the outside world.选项:a、having been lost b、 to be lost c、losing d、 lost The boys,___with this frightening person,lost their tongues.(face)可以填having facing吗? lost的题lost 的语法是不是有什么特别 讲一讲Ann was reading a science fiction ,———————completely to the outside world.A having been lost B to be lost Closing D lost 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？ 英语改错题C1,Having lost his money in the stock market,his freinds deserted him.本题有点说改为 Because he lost ,我在想可改为 His having lost.怎么改好呢?求分析