练习册

  • 练习册
  • 试题
    The litter boy is dirty from head to foot because he in the mud all morning. A. has been playing B. was playing C. is playing D. had been playing 【查看更多】

     

    题目列表(包括答案和解析)

    The litter boy is dirty from head to foot because he        in the mud all morning.

    A. has been playing                      B. was playing

    C. is playing                            D. had been playing

    查看答案和解析>>


    同步练习册答案