is downstairs there someone.连词成句

is downstairs there someone.连词成句 There is someone downstairs的否定句是什么 happening what there is 连词成句 else is anything there连词成句 There,your,car,is连词成句 连词成句our neighborhood visiting there be someone homes the in a,there,there,over,is,river连词成句 连词成句:video、there、over、is、there、a were is,many,there,people,There(连词成句） there apark there is over 连词成句 we must take the lift downstairs when there is a fire.这句英语句子 queue,up,we,go,before,downstairs,we,must连词成句