A-A+ The unit of measurement known as foot has orig 2022-08-01 20:29:14 问答库 阅读 166 次 问题详情 The unit of measurement known as foot has originally based on the average size of the human foot.A.measurementB.hasC.sizeD.foot 参考答案 正确答案:B解析:应改为was。be based on:以……为基础。