题目内容
18．That is a red ruler．（改成复数形式）Those are red rulers．
分析 --那是一把红色的尺子．
--那些是红色的尺子．
解答 答案：Those are．考查复数句子．that的复数是those那些．is的复数are．ruler的复数是rulers．答案是Those are．
点评 句型转换中的单数句子变复数句子，通常是将每个有单数形式的词全部变为复数．要根据具体语境分析判断．注意一些词复数的特殊变法．
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