练习册

  • 练习册
  • 试题
    Climbing hills of great help to health. A. is B. are C. were D. be 【查看更多】

     

    题目列表(包括答案和解析)

    Climbing hills _____ of great help to health.

         A. is              B. are             　　　　 C. were             D. be

     

    查看答案和解析>>

    Climbing hills__________of great help to health.?

    A.is                      B.are                     C.were                  D.be

    查看答案和解析>>


    同步练习册答案