We know that 80          of the cases of blindness can          .
A.per cents; cureB.percent; curedC.per cent; be curedD.percent; are cured
C

試題分析:在英語中當表示百分之幾時,應該用數(shù)字+percent/per cent,其中percent不能用復數(shù),故排除A;根據(jù)can后面應該跟動詞原形可知,應該用be,故排除BD。所以本題選C。
點評:注意percent一詞既可以分開寫,也可以合起來寫,其不能用復數(shù);另外,情態(tài)動詞后面跟動詞原形。
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