题目内容
3.-Mum,can I go to the zoo with Jack this weekend?-When your homework_______,you can.( )
| A. | is done | B. | was handed in | ||
| C. | will be completed | D. | had been finished |
分析 --妈妈,这个周末我可以和Jack一起去动物园吗?
--当你做完作业就可以去.
解答 答案:A.
首先根据语境"你做了作业就可以去."设空处所在的句子是when引导的时间状语从句,用一般现在时代替一般将来时,主语your homework是动作do的承受者,表示"作业被做"所以用被动语态,一般现在时被动语态的构成是:主语+am/is/are+动词的过去分词,主语是不可数名词,be动词用is,do的过去分词是done,故选A.
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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