A-A+ A.Every ten minutes.B.Every half hour C.At twenty to one.D.Once a day. 2020-11-05 04:40:02 外语考试 阅读 问题详情 A.Every ten minutes.B.Every half hour,C.At twenty to one.D.Once a day.请帮忙给出正确答案和分析,谢谢! 参考答案 查看解答