Half of the workers here ________ under 30 ________.

Half of the workers here ________ under 30 ________. Half of the workers here _____ under 30 _____.　A.is/years B. Half of the workers here are under twenty __B__ A.years old About ________ of the workers in the factory were born in th 英语单项选择1.________ number of the workers in this factory _____ About ________ of the workers in that factory are young peop The workers were resting with the machine ________. The workers returned home,their clothes ________ wet with sw There are two ________ workers in the factory. I am new here. I know ________ of the students here ________ here in time,they came ________ all the way. Do you come here ________ the car?