练习册

  • 练习册
  • 试题
    He is a devoted advocate who strongly advocates clean energies such as the energy of the sun, the wind and instead of those that pollute our environment. A. to use; so on; to use C. using; etc. using C. to use; etc. to use D. using; so on; using 【查看更多】

     

    题目列表(包括答案和解析)

    He is a devoted advocate who strongly advocates _______clean energies such as the energy of the sun, the wind and ________ instead of ______ those that pollute our environment.

    A. to use; so on; to use   C. using; etc. using    C. to use; etc. to use   D. using; so on; using

    查看答案和解析>>


    同步练习册答案