问题标题:
【Oldpeoplemustbelookafterwelland()politely.A.spokentoB.speakC.spokenD.spoketo选哪个?为什么?】
问题描述:
Oldpeoplemustbelookafterwelland()politely.A.spokentoB.speakC.spokenD.spoketo选哪个?为什么?
李仲宇回答:
Oldpeoplemustbelookedafterwellandspokentopolitely.
被动语态是be+done的形式,所以look需要用过去分词的形式,speak用在这里是不及物动词,需要用介词.例如:speaktosb,speakincertainlanguage,speakaboutsth.
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