the increasing population is the great c---- of the world

the increasing population is the great c---- of the world That's 6000000000!The population of the world is increasing 根据句意填词 I think the increasing population is one of the great the population of the world is increasing very fast.的同义句 连词成句population of the quickly the world is increasing very The _____ population is increasing. The b___ problem of the world is the interesting population [ ]is the population of the world today.[]jumped the longest the increasing population has become one of the most serious The increasing population has been the greatest c______ of t I think the increasing population is one of the greatest c__ the population of the world is over seven ____now.