当前学科:电子商务英语
  • 题目: 选择题
    He would have given more help, but he _______so busy.

    • A. had been
    • B. isx
    • C. has been
    • D. would be

    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