求分析此句 The goal is to be exposed to novelty and increasing levels of challenge

求分析此句 The goal is to be exposed to novelty and increasing levels of challenge
为什么前面用的to be exposed to而后面用的increasing?
英语人气:632 ℃时间:2020-03-16 20:44:45
优质解答
novelty and increasing levels of challenge整体作be exposed to的宾语,分开应是to be exposed to novelty and be exposed to increasing levels of challenge,所以用动名词,是因为作介词to(不是不定式!)的宾语...
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