题目内容
14．Mr．Smith is our English teacher．He ______ in our school since 2002．（ ）| A． | worked | B． | works | C． | will work | D． | has worked |
分析 Smith先生是我们的英语老师．自从2002年以来他就在我们学校工作．
解答 答案：D．
现在完成时，表示过去发生或已经完成的动作对现在造成的影响或结果．或从过去已经开始，持续到现在的动作或状态．根据since2002，可知从过去已经开始，持续到现在的状态．应该用现在完成时态．现在完成时态的构成：助动词have/has+过去分词．根据主语He，所以应该用has worked，故选：D．
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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