In the past, the workers _____ do a lot of hard work.

She is one of the workers who _____(work) hard. I hear a number of workers in the factory _____ out of work The boss made the workers work 12 hours in a day in the past Thanks to the old man’s hard work,a lot of _____ has been co In the past ten yesrs, this project _____(raise) a lot of mo __he always ____(give) a lot of homework to do in the past? The workers _____ to finish the work in time. In the end,all of them_______ hard work.A.got used to do B.u A lot of people sailed to America in the past改写A lot of peop ____the workers _____ (work)in the factory now In the past,the boss made the workers ____ (work) twenty hou The manage ____ each of its workers _____ a computer to work