it took me_____to finish my math homework yesyerday.A.two hours of a half B.two and a half hours

it took me_____to finish my math homework yesyerday.A.two hours of a half B.two and a half hours
能说一下为什么吗
英语人气:903 ℃时间:2019-08-20 10:16:58
优质解答
选择B.
two and a half hours 意思是:两个半小时
= two hours and a half
所以A不对.
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