题目内容
4.The old woman is badly ill.Smokinghas affected her health a lot.(affect)分析 这位老妇人病得很厉害.吸烟己经对她的健康造成了很大的影哃
解答 答案:has affected
通过观察句子结构发现句中缺少谓语动词,所给词affect为动词意为"对…影响"可在句中作谓语,根据"The old woman is badly ill"为一般现在时,可知这位老妇人现在病得很厉害与吸烟有很大关系,即表示过去发生的动作对现在造成的影响和结果,故谓语动词使用现在完成时态,结构为主语+have/has+过去分词,句中动名词smoking作主语为单数,助动词用has,affect的过去分词为affected,故填has affected
点评 本题主要考查完成句子,首先要根据所给单词提示,然后根据句式特点,结合句意和词性,确定单词的适当形式,最后把句子补充完整.本题主要考查现在完成时态
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