Question

      of the workers in this factory is about two hundred.        of the workers are working hard.

A．The number;The number	B．A number;A number
C．The number;A number	D．A number; The number

Answer 1

C

试题分析：句意：这个工厂的工人数大约两百。很多工人工作努力。the number of……的数量，a number of很多，许多。故选C。