Last Sunday Alice did some cleaning for ____.

Last Sunday Alice did some cleaning for ____.

题目
Last Sunday Alice did some cleaning for ____.
A.two and a half hours B.two and half hour C.two and half hours D.two hour and a half
望好心人能顺便说明解题原因,
答案
Last Sunday Alice did some cleaning for ____.D.two hour and a half应该是two hours and a halfC.two and half hours应该是two and a half hoursB.two and half hour应该是two and a half hours只有A对...
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