题目内容
19．They are English girls．（改为单数句）Sheis English girl．
分析 --她们是女孩．
--她是女孩．
解答 答案：She is．考查单数句子．they她们，单数是she她．are单数is．girls单数girl女孩．答案是She is．
点评 句型转换中的复数句子变单数句子，通常是将每个有复数形式的词全部变为单数．要根据具体语境分析判断．
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