题目内容
To survive in the intense trade competition between countries, we must _______ the qualitiesand varieties of products we make to the world market demand.
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With so many areas of woodland being cut down, a lot of wildlife is losing its natural _______.
Albert Einstein's hair looked wild as if _________.
The fossilized remains of a type of came _____ a dog have been found in the Bad Lands ofSouth Dakota.
"Was your sweater expensive?" "________ that it is handsome, the price seems reasonable."
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