A-A+ It s about 400mm rain in this area______a year.A.above allB.of allC.on averageD.for averag 2020-09-24 23:35:17 学历考试 阅读 问题详情 It s about 400mm rain in this area______a year.A.above allB.of allC.on averageD.for average请帮忙给出正确答案和分析,谢谢! 参考答案 查看解答