当前学科:英语
  • 题目: 未知类型
    I _____ so busily recently that I _____ no time to help you with your math. That's OK. I can manage it by myself.

      A.have been working/have

      B.have worked/had

      C.am working/will have

      D.had been working/had had

    答案: <查看本题扣1积分>

    查看答案

    答案不对?请尝试站内搜索