The key ___,he could not enter the room.A having been lost B had been lost C having lost D losing

The key ___,he could not enter the room.A having been lost B had been lost C having lost D losing the key,___ he lost ,has been found I have given him a key so that he may ___ into the house he likes.I have given him a key so that he ____ get into the house ____ he likes.A.could,no matter B.would,no matter whenC.may ,however D.might,every time选B为什么不可以? 对括号部分提问1.the key is（ green） —— —— ——the key?2.he is (very fine).___ ___ he? Jim can't often open the door now because he ___(lose) his key. find the key ___ his bicycle介词 这些语法题可以填什么介词呢1.I'm not __ the mood for going to the party..2.Since Harry isill,we need a substitute ___ him.3.John gets ajob,so that he could be independent __ his parents.4.A key ___ the back door is always kepton a high le He lost the key ____ the door The doctor said he could do nothing to save the sick man.(改为同一句)The doctor said he ___ ___ ___ save the man. The doctor said he could do nothing to save the sick man.(改为同一句)The doctor said he ___ ___ ___ save the man. He is one of the persons who ___ the ___ to this question.a.knows...reply b.know...answer c.knowing ...secret d.has known ...key he lost his key t----- the door. He could stand ___ such a thing. he got up early in order that he could ___ the train.填catch还是catch up with. Hard work is the key to ___(succed). The doctor did what he could ___ the boy's life.A to save B save C saved D saving Could you tell me ___ at the party A what does he say B what he says Cwhat he said D what did he sa P______,he has found the key to the door填空