A-A+ The idea of using dogs to pull sleds began ___ 2022-07-31 22:29:38 外语考试 阅读 问题详情 The idea of using dogs to pull sleds began ______.A．some 35 000 years agoB．1 000 years agoC．before 1 000 B.C.D．before 1908 参考答案 查看解答
