练习册

  • 练习册
  • 试题
    精英家教网 > 高中英语 > 题目详情

    Every possible means _______to prevent the air pollution, but the sky is still not clear.
    A．are being usedB．have been usedC．has been usedD．had been used
    C
    略
    练习册系列答案
    年级 高中课程 年级 初中课程
    高一 高一免费课程推荐！ 初一 初一免费课程推荐！
    高二 高二免费课程推荐！ 初二 初二免费课程推荐！
    高三 高三免费课程推荐！ 初三 初三免费课程推荐！
    相关习题

    科目：高中英语 来源：不详 题型：单选题


    ---Let’s see if the basketball game has started yet.
    ---Started? It must be clear who   by now.
    A．is winningB．winsC．has wonD．would win

    查看答案和解析>>

    科目：高中英语 来源：不详 题型：单选题

    Barbara is easy to recognize as she’s the only one of the women who________evening dress.
    A．wearB．wearsC．has wornD．have worn

    查看答案和解析>>

    科目：高中英语 来源：不详 题型：单选题


    In the past few months, a discussion ________about whether selecting “Three Goods” Students in elementary and middle schools should be cancelled.
    A．has to be heldB．has been heldC．has been holdingD．was held

    查看答案和解析>>

    科目：高中英语 来源：不详 题型：单选题


    The young girl sitting next to me on the plane was very nervous.She ______before.
    A．hasn’t flownB．didn’t flyC．hadn’t flownD．wasn’t flying

    查看答案和解析>>

    科目：高中英语 来源：不详 题型：单选题


    ．— Has Tom finished his report so far?
    — I have no idea．He ______it this morning．
    A．didB．has doneC．was doingD．had done

    查看答案和解析>>

    科目：高中英语 来源：不详 题型：单选题


    If you try to learn too many things at a time at the beginning, you may _______.
    A．have confused B．have to be confused
    C．get confused D．get confusing

    查看答案和解析>>

    科目：高中英语 来源：不详 题型：单选题


    . In September 2008 , China’s key milestone in space travel_____when Zhai Zhigang conducted the first space walk.
    A．reachedB．was reachedC．has reachedD．had been reached

    查看答案和解析>>

    科目：高中英语 来源：不详 题型：单选题


    All the students were looking forward to_______here.
    A,   come  B. being coming  C.  came    D.coming

    查看答案和解析>>

    同步练习册答案