题目内容
18．Avatar （《阿凡达》）is an interesting film．My brother it twice already．（ ）| A． | sees | B． | saw | C． | has seen | D． | will see |
分析 《阿凡达》是一个有趣的电影，我的弟弟已经看过两次了．
解答 答案：C 根据already可知用现在完成时，表示"弟弟看过两次了"；现在完成时态的结构为have/has+动词的过去分词，故选C．
点评 判断动词的时态，要通过所给的时间状语、提示词或语境去判断动词存在的状态．
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