题目内容
根据
A句完成B句,使其意思与A句意思相同或相近(每空一词)A.A report made by a U.N.environmental protection organization shows that a great many trees are cut down every year.
B.A report made by a U.N.environmental protection organization shows that ________ ________ ________ ________ trees are cut down every year.
答案:
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