题目内容
7.It's polite of youto thank (thank) others for their help and support.分析 你感谢别人的帮助和支持是礼貌的.
解答 答案:to thank
联系语境,观察句子的结构,发现此句运用了固定句型即It's+adj+of sb to do sth,意为"某人做什么是…的",此句的polite是描述不定式行为者的性格、品质的,所以用of;此处的it为形式主语,真正的主语为后面的动词不定式;结合给出的提示词为动词thank"感谢",所以套用该句型,此处应该用动词不定式to do去表达,即to thank.故填写:to thank
点评 此题考查固定句型的用法.做题时观察句子结构并联系句意的基础上,运用固定句型就可轻松做出正确答案.
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