练习册

  • 练习册
  • 试题
    9．People should avoid overnight in the open air in places where mosquitoes and take protective measures. A. to stay ; collect B. staying; collect C. to stay; gather D. staying; gather 【查看更多】

     

    题目列表(包括答案和解析)

    People should avoid staying overnight in the open air in places ________ mosquitoes gather and take protective measures.

    A．whose　 　　　　　　 B．which

    C．when 　　　　　 D．where

     

    查看答案和解析>>


    同步练习册答案