练习册

  • 练习册
  • 试题
    The environment is heavily polluted its economy is quickly developed. A. at which B. where C. which D. to which 【查看更多】

     

    题目列表(包括答案和解析)

    The environment is heavily polluted ____ its economy is quickly developed.

    A. at which     B. where     C. which     D. to which

    查看答案和解析>>


    同步练习册答案