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a better the worst a worse the best
It couldn’t be better Nobody can do a worse job I must complain about it It’s out of control
most of them they most of which parts of that
the; a 不填; a a; the 不填; the
of more much more of much more
most Americans are heavy drinkers Americans are now less shocked by road accident accident attract too much publicity drinking is a socially accepted habit in America
Burning too much coal and oil produces lots of greenhouse gases. It has become warmer on the earth now than in the past. Gases put into the atmosphere now will affect the earth years later. The temperature in a greenhouse is as high as that in the atmosphere.
take down charge with break down deal with
acid rain has caused air pollution acid rain has caused widespread environmental damage acid, rain has become a much studied subject acid rain travels in all directions before it rains down
the manager has become becomes the manager has become the manager has the manager become
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