练习册

  • 练习册
  • 试题
    These planes can fly than the old ones. A.as fast three times B.three times as fast C.three times fast D.three times faster 【查看更多】

     

    题目列表(包括答案和解析)

    These planes can fly ________ than the old ones．

    [　　]

    A．as fast three times

    B．three times as fast

    C．three times fast

    D．three times faster

    查看答案和解析>>


    同步练习册答案