Theyhadlearnedsix&nbsp

发布时间:2020-07-11 11:46:23

They had learned six new lessons ___ the end of last week.













A.in












B.at











C.by











D.to

网友回答

C解析in the end意思是:最后,后面不接of, at the end of意为:在…尽头; by the end of到….为止/在….之前.
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