题目内容
2.This medicinehas saved (save) millions of people's lives since it was put into use.分析 自从这种药投入使用以来,它已经拯救了成千上万的人的生命.
解答 答案:has saved 考查语法填空.根据句中时间状语从句since it was put into use,主句要用现在完成时态,因主语This medicine是单数,助动词用has.
点评 考查语法填空,准确地理解句子、翻译句子,然后根据句意及提示确定所填单词词性,正确写出单词完成句子,使句意更通顺.
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