题目内容
The use of heavy __________ has damaged the site.
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If he keeps_______________, he would certainly be able to send all of his children to university.
At least the _______ was done, he said, and the money was in.
Water is __________ (必要的) to maintain life, but only one percent of the water on the whole planet can be used for drinking.
The channel was ________ funded by the French and the British.
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