三角形与梯形的面积相等，都等于平行四边形面积的一半。()
错误
暂无解析
are，what，they，colour
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What’sthew_____likeinspring?It'swarm
She_____(like)toplaytheflute.
She______(watch)TVeveryevening.
CanIhave______(a)orange?
