The workers in that factory wear glasses to __ their eyes __

The workers in that factory wear glasses to __ their eyes __ The workers wore glasses over their eyes to keep them____? About ____of the workers in the factory were born in the __ 请翻译：The workers in the factory hoped that their pay be raise The workers in the factory demanded that their pay ____ be 2 1、The workers in that factory are _____ our factory. About________of the workers in that factory are young people About__of the workers in that factory are women About _of the workers in that factory are young people. The tourists are going to stay in beijing __ __ __ .__ __ __ He cleaned the glasses carefully for fear that it __. 2.My brother wants to work in the factory which ___ still __