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Chemical pollution will bring about a threat to agriculture and food chain, and ________ to human health.

_____, the fire was discovered soon after it broke out , otherwise it might cause much greater damage．

—I’ve heard a hurricane had struck your hometown.
—Yes, it was terrible, but ____, no one was killed.

Kevin was not good at Chinese at first. After two months in China, _____, he made great progress.

The patient’s progress was very encouraging as he could ________ get out of bed without help.

______ acupuncture developed, the simple “bian stones” were replaced first by stone  and pottery needles, and ________ by metal needles.

--People should use public transport instead of their own private cars.
--- _______.The roads are too crowded as it is.

It was ________hot in the room that I didn’t like to stay there.

Several musicians say they consider it the greatest musical composition ____written.

---- Are you feeling _______ better today?
---- No, I’m feeling _______ worse.