A-A+ It’s high time we ______ him a regestered letter.A. sendB. sentC. has sentD. had sent 2022-10-16 07:31:00 学历考试 阅读 问题详情 It’s high time we ______ him a regestered letter.A. sendB. sentC. has sentD. had sent 参考答案 查看解答