Ididn'trecognizehim________becau

发布时间：2020-07-28 15:55:42

I didn't recognize him ________because we have not seen each other for ________twenty years．A.first of all； at leastB.at first；at lastC.at first；at leastD.firstly；at least

网友回答

C解析at first意为“开始，首先”；at least意为“至少”。注意本句话的意义。
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