the world's population has grown very ——.（fast）

the world's population has grown very ——.（fast） the population of the world has grown very fast ( ）four hund 1.The population of the world has grown very fast _____four The population of the world has grown very fast ____ four hu The word's population has grown. The world's population has grown to____ is was in 1800. The world's population has grown to more than six times____i 5. The population of the world i_____ very fast 10000 years ago ,the world's population was very s the population of the world is increasing very fast.的同义句 The population of the world _______(increase) very fast? 请问在 The world‘s population has ______(增长）to 7 billion so far.