题目内容
16.Bob----a lot since we met last year.( )| A. | changes | B. | changed | C. | has changed | D. | will change |
分析 自从我们去年见面以来Bob改变了很多.
解答 答案:C
根据题干中的时间状语从句since we met last year可知,这是一个表示一段时间的时间状语,通常用于现在完成时,而且动词应该用延续性动词,结合选项可知谓语动词change是可延续性动词,现在完成时态的结构为have/has+动词的过去分词,主语Bob是第三人称单数,所以助动词用has,谓语动词change的过去分词为changed.故填has changed,故选C
点评 本题考查现在完成时态.判断时态要找准动作发生的时间,然后根据时态构成选出正确的答案.
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