Advances in medical technology have made it possible for people (live) ________longer.

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问题 Advances in medical technology have made it possible for people (live) ________longer.

选项

答案to live

解析 句中的it为动词make的形式宾语,而真正的宾语一般置后由动词不定式来充当,所以空格处可以填入live的动词不定式形式to live。
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