题目内容
17.The girls ______ how to dance a month ago and now they can dance well.( )| A. | taught | B. | were taught | C. | will teach | D. | will be taught |
分析 一个月以前这些女孩们被教着如何跳舞,她们现在已经跳得很好了.
解答 答案:B.
首先根据时间状语a month ago,判断句子中的谓语动词用一般过去时,主语The girls 是动作teach的承受者,表示"被教",所以用被动语态,一般过去时被动语态的构成是:主语+was/were+动词的过去分词,故选B.
点评 本题考查时态和语态.每个时态都有标志词,熟记这些标志词是做题的关键.在没有时间状语的情况下可以根据语境来对时态做出判断.判断语态的关键则是观察主语是谓语动词的执行者还是承受者.
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