keys are user by people （for/with/to doing) the door哪个对?

keys are user by people （for/with/to doing) the door哪个对? Where are () (they )keys Whose keys are these? Keys are used by people （for/with/to opening) the door.哪个对? whose keys are these?they are y什么 keys. Now where are my keys? ______(it) are my keys. are the engine power keys user 英语翻译In fact,only experts used computers,so there was no need for a user-friendly interface.Now,however,computers are used by all kinds of people and as a result there is a growing emphasis on the user interface. what type of user are you 英语翻译This video may contain content that is inappropriate for some users,as flagged by YouTube's user community.By clicking Confirm, you are agreeing that all videos flagged by the YouTube community will be viewable by this account. 英语翻译The NE access right for the user or group will be determined by the ACLs that are attached to those subtrees. it is necessary not only to present the information impartially but also the data are shown insuch a way that is clearly understood by the user. 英语翻译The preferred credentials are reused by default whenever you log in as that user and perform operations requiring host credentials. My keys are on the sofa 同上 These are keys?是疑问句吗 These are my keys.改成一般疑问句