对“今齐地方千里”一句翻译正确的一项是( )
My feet are than yours.
Ben was busy taking a training class, ________ we had to wait for him for half an hour.
如图,直径AB为6的半圆O,绕A点逆时针旋转60°,此时点B 到了点B′,则图中阴影部分的面积为( )