题目内容
13.The volunteers sang and danced to cheer the sick boys up.(改写句子,句意不变)The sick boyswerecheeredupby the volunteers sang and danced.
分析 志愿者们唱歌跳舞来让生病的男孩高兴起来.
解答 答案:were cheered by 考查同义句,第一句中用了"cheer the sick boys up"即"cheer sb.up",第二句中"the sick boy be cheered up by"采用了被动语态,根据第一句中动词形式可知这里要采用一般过去时被动语态,即was/were+过去分词,并由by引出动作的执行者,故填:were cheered by.
点评 考查同义句,对比两个句子,变换句式,通过比较可知这里考查被动语态,其构成为be动词+过去分词,由by引出动作的执行者.
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