Tom opening is door the politely（连句子）

Tom opening is door the politely（连句子） Lily is opening the door.(对opening the door提问) the key is used by people for opening the door 】 listen!I hear someone__the door A.is opening B.open C.opening D.to open 把下列单词排成句子1 Linda,is,talking,the,on,phone2 Tom,opening,is,door,the,politely3 talk,dou't,loudiy,the,in,library4 please,your,do,homework,carefully5 old,the,man,walking,is slowly He__someone opening the door.(hear) Is the boy( )the door?A.openning B.opening C.open 请进!门市开着的为什么说 The door is open而不是opening呢 (The boy behind the door) is tom. 改为提问 The boy behind the door is Tom.（对画线部分提问） _______ _________ is Tom? The key ____ for opening the door of the room.A.uses B.is using C.is used D.used would you mind opening the door? who()the door?(open opens opening) The boy behind the door is Tom.behind the door 是划线部分 该怎么变特殊疑问句?RT the umberlla behind the door is Tom's.(就划线部分提问) _____________划线部分:behind the door This is a key to opening this door这句话有问题吗?This is a key to opening this door.还是This is a key to open this door.是哪个对?这里的to是当作介词还是不定式? ___the door,please.come in,please.the door_____.A.be open,opens B.be open,is opening C.open,opensD.open,is open Tom is(our next-door neighbour.)对括号里的划线提问