the key is used by people for opening the door 】

the key is used by people for opening the door 】 The key ____ for opening the door of the room.A.uses B.is using C.is used D.used what is the frequency used by the CDMA network? the key to solving the problem is to meeet the demand made by the customsthe key to solving 换成the key to solve 可以、吗? Is the key yellow? where is the key English is widely used by traveler all over the world It is used in informal situations.The greeting is often used by younger people.是什么意思 this is the pen used by David能不能is 放在used 前面,为什么 the key is already being used by another computer我玩cod5是时跳出这些词,我全部通关了,现在不能选关卡了,怎么回事,难道得重玩一遍吗? The film made by disney show all over the world A is used to show B used to be shownC is used to showing D used to showing 英语 This is the pen used by David.This pen was used by David.这两句有什么差别? The telephone ____talking to people far away.A.used by B.is used for B.is used to D.used to The key is on the table 对The key 提问 the key feature provided by the company is the advice which benefits the bottom line.怎么翻译? The key was used to wind it up. The films made by Disney________ all over the world A.is used to showB.used to be shownA为什么错? It is used by travelers and business people all over the world 谓语动词到底是is还是used还是is used