hom many ____（key) do you have?

hom many ____（key) do you have? hom many letters are there in english a set of ____(key). Are these ____ the twins'?---Yes,they are.A.key B.box C.keys D.boxs please ____ This key yellowA：LOOK B：spell C:wash D:color HOW MANY _____(KEY) DO YOU HAVE i could find nobody to tell him the secret同义句i could_____ _____ ______ to tell him the secret.还有一道选择题hom many flowers have you received?A.Nothing B.None C.No one D.Not Many experts hold the view ____protection awareness is ____ the key to better environment lies.答案是that,where.为什么第二个空不能填in which? This is the key ____ the door.A.to B.of C.at D.inThis is the key ____ the door.A.to B.of C.at D.in 选那个,最好解释下为什么 Where is my ____?I want to do my homework.A.clock B.pencil C.key D.card The key ____ for opening the door of the room.A.uses B.is using C.is used D.used 选择题Where is the key ____ fits this lock?A.which B.who C.how D.what选哪个?为什么? He lost the key ____ the door 请帮忙翻译Hom many countries sent athletes to the 2004 Athens Olympics? The old man found his son's hom ____ ____ ____ ____thepoliceman（在警察的帮助下） key key How _______ books do you have and how ____ salad do you have?A.much many B.many muchC.much much D.many many