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    精英家教网 > 高中英语 > 题目详情
    I graduated from college twenty years ago and I ____________ as an English teacher in this middle school ever since.
    A．workedB．have been workingC．had workedD．was working
    B

    试题分析：考查时态：句意：20年前我从大学毕业，自从那时起，我就在这个中学做英语老师。可知做英语老师是自从我从大学毕业到现在，用现在完成进行时。选B。
    点评：英语中的时态主要由动词的形式决定，因此在学习英语时态时，要注意分析动词形式及具体语境，想象在那个特定的时间动作所发生的背景，这个动作是经常性动作、一般性动作、进行性动作、完成性动作还是将要发生的动作。
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