题目内容
15.Mrs.Wang is very kind.She ______ these poor children for five years.( )| A. | helps | B. | helped | C. | has helped | D. | is helping |
分析 王先生很热心,他已经帮助这些穷孩子五年了.
解答 答案:C
根据时间状语for five years,应该用现在完成时,现在完成时的构成是have+过去分词,本题的主语是王先生,应该用has helped,故选:C.
点评 本题主要考查动词时态,做此类题目要注意时间状语、标志词.根据上下文所表达的含义,做出判断.同时更应记清时态的构成形式.就本题而言,主要考查现在完成时态.
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