初中英语40 He is on of the workers in this factory ___have been

初中英语40 He is on of the workers in this factory ___have been ()the workers in this factory is 1000.A A number of B A smal _____ of the workers in this factory is about fifty. [  The number of workers in this factory _____ 1,500. He is one of the workers填 词been saved in that accident The number of workers in this factory _______ a lot this yea The number of  the workers in this factory    The number of workers in this factory ____ 1,500. A number o 英语单项选择1.________ number of the workers in this factory _____ More than half of the workers in this factory _____ fro my father is the best workers in his factory.he is _late.填al The workers are in work in this factory