夏日午后的河滩:There are no lights on and no one answer the doorbell. They( ) be at home

There are no lights on and no one answer the doorbell. They( ) be at home There are people all around ,lights flashing,things like that.It's strange. There are always three lights .可不可以把"Always"提前？ There are no such things as applied science ,only applications of science这个是谁说的... the bird has flown there are no birds of this year in last's nest there are no birds of this year in last year,s nest there is no doubt that you are a fool of the lover girl and colors or there are virtually no changes in negotition sample 求代写一篇作文，题目：why are there No Nobel Price-winners in china There are no pieces of paper to write这句话哪里错了?