When the baby dog .it was very hungry．So we gave it some food．( )A．is foundB．was foundC．has been foundD．will be found 题目和参考答案——青夏教育精英家教网——

题目内容

20．When the baby dog____，it was very hungry．So we gave it some food．（　　）

A．

is found

B．

was found

C．

has been found

D．

will be found

分析当那只小狗被找到的时候，它非常饿，所以我们给了它一些食物．

解答答案：B．
首先根据后面的it was very hungry，结合句意"当那只小狗被找到的时候，它非常饿，所以我们给了它一些食物．"判断设空处句子中的谓语动词用一般过去时，主语the baby dog是动作find的承受者，表示"被找到"，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，主语是单数名词，be动词用was，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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