The technicians and workers have come______new methods to increase production.A．on withB．o

The grey building is where the workers live, and

What kind of workers does the writer like to employ（雇佣）？ （)A． Those who have the same i

The jobs of wildlife technicians and biologists seemed ______to him, but one day he discov

Nowadays, skilled workers such as carpenters, electricians and TV repairmen often have hig

What is the main idea of the news item？A．Some of the office workers have breathlessness.B．

In the past few years the workers have got no wage increases ____ their doubled production.