练习册

  • 练习册
  • 试题
    精英家教网 > 高中英语 > 题目详情
    If we throw away too much waste and can’t keep good ecosystem,we _________ our future.
    A．must have destroyedB．could be destroying ?
    C．may be destroyingD．must destroy ?
    C?
    must have destroyed表示对过去确有把握的推测。could be destroying表推测时常用于否定句和疑问句。may be destroying表示可能性,可能我们正在毁灭我们的未来。must destroy一定是,表示确有把握。从题意来看本题的最佳选项是C。
    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

    —Where is my dictionary? I remember I put it here yesterday.
    —You __________ it in the wrong place.
    A．must putB．should have put
    C．might putD．might have put

    查看答案和解析>>

    科目：高中英语 来源：不详 题型：单选题

    He       have come here yesterday,        he?
    A．mustn’t;didB．couldn’t;hasC．mustn’t;haven’tD．must;didn’t

    查看答案和解析>>

    科目：高中英语 来源：不详 题型：单选题

    —The woman biologist stayed in Africa studying wild animals for 13 years before she returned.?
    —Oh, dear! She _______ a lot of difficulties!
    A．may go throughB．might go through?
    C．ought to have gone throughD．must have gone through?

    查看答案和解析>>

    科目：高中英语 来源：不详 题型：单选题

    The police have said that this situation _________ as soon as possible.?
    A．must put an endB．should be put an end?
    C．must be put an end toD．should put an end to

    查看答案和解析>>

    科目：高中英语 来源：不详 题型：单选题

    —Did you visit the famous cultural relics last month?
    —No,we _________ it,but we spent too much time shopping.?
    A．could have visited
    B．must have visited ?
    C．can’t have visited
    D．shouldn’t have visited ?

    查看答案和解析>>

    科目：高中英语 来源：不详 题型：单选题

    President Hu Jintao urged that every effort to_____rescue and treat the injured when the earthquake happened in Sichuan this year．
    A．is madeB．must be madeC．should makeD．be made

    查看答案和解析>>

    科目：高中英语 来源：不详 题型：单选题

    I hadn’t expected__________James to apologize but I had hoped.?
    A．him calling meB．that he would call me?
    C．him to call meD．that he call me?

    查看答案和解析>>

    科目：高中英语 来源：不详 题型：单选题

    The work ____ be finished in such a short time .
    A．wasn''t able toB．couldn''tC．ought D．could

    查看答案和解析>>

    同步练习册答案