题目内容
20． trees have been planted near here，so the air is very fresh．（ ）| A． | Two hundreds | B． | Hundred of | C． | Hundreds of | D． | Hundreds |
分析 成百上千的树已经被种在这附近，所以空气很清新．
解答 答案：C 根据选项中hundred，结合它的用法：数词+hundred（hundred前有基数词时，hundred不加s）和hundreds of（表示成百上千的），可知选C．
点评 本题考查hundred的用法，与之用法相同的还有thousand、million、billion．
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