练习册

  • 练习册
  • 试题
    精英家教网 > 高中英语 > 题目详情
    Although there is no life on Mars now , some scientists think that there        some form of life a long time ago .
    A．must beB．may have beenC．can have been D．could be
    B
    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


    —I missed the first part of the film. It was really a pity.
    —You __________ home half an hour earlier.
    A．should goB．must have goneC．should leaveD．should have left

    查看答案和解析>>

    科目：高中英语 来源：不详 题型：单选题

    —Are you coming to the English evening?
    —I'm not sure. I ________ go to the concert instead.
    A．mustB．wouldC．shouldD．might

    查看答案和解析>>

    科目：高中英语 来源：不详 题型：单选题


    ___________it in the flesh, I would never have known the drought in southwest China is so serious and people are suffering so much.
    A．Had I not seenB．If I did not see
    C．Should I not seeD．Were I not seen

    查看答案和解析>>

    科目：高中英语 来源：不详 题型：单选题


    —Do you mind my opening the window?
    —Well , I’ d rather you _____.
    A．didn’t B．not C．won’t D．don’t

    查看答案和解析>>

    科目：高中英语 来源：不详 题型：单选题

    —Do you still remember the first time we met, Linda?
    —Sure. You      a meeting in our classroom.
    A．were addressingB．had addressed
    C．addressedD．address

    查看答案和解析>>

    科目：高中英语 来源：不详 题型：单选题


    . Mary_____ to college last year. Unluckily, she couldn’t take the examination because of a sudden disease.
    A must have gone   B can have gone    C should have gone   D could have gone

    查看答案和解析>>

    科目：高中英语 来源：不详 题型：单选题


    --- Will you stay for meal as more friends will come for a gathering?
    --- Sorry, _______. My brother is coming to see me.
    A．I mustn’tB．I can’tC．I needn’tD．I won’t

    查看答案和解析>>

    科目：高中英语 来源：不详 题型：单选题

    —Hurry up , Michael!
    —Goodness me! The class ____ .I’ll be late again.
    A．must beginB．may beginC．should have begunD．must have begun

    查看答案和解析>>

    同步练习册答案