______ created the industrial working class, the proletariat, and it later led to trade un

One machine can do as much work as ______.A．40% of the peopleB．4% of the people in the wor

The "work ethic" referred to in the first paragraph can be interpreted as ______.A．one wor

— Thank you for your invitation and the nice coffee. — _________________. A. Don’t wor

After ______ Himalayas, I think ______ Andes are the highest chain of mountains in the wor

A new technique______, the yields as a whole increased by 20 percent since last year.A．wor

At the inauguration ceremony the newly elected president ______ his speech with a few wor