练习册

  • 练习册
  • 试题
    精英家教网 > 高中英语 > 题目详情
    By the time he was twelve, Edison _______ to make a living by himself.
    A．would beginB．has begunC．had begunD．began
    C

    试题分析：考查时态。By…到…为止；与完成时连用。后面接the time he was twelve是过去时，故主句中使用过去完成时。句意：到他12岁的时候，Edison已经开始靠自己谋生了。故C正确。
    点评：时态题中对by的考查是最关键的，by到…时为止；与完成时连用。
    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

    .In the near future, more advances in the robot technology _____by scientists.
    A．are makingB．are madeC．will make D．will be made

    查看答案和解析>>

    科目：高中英语 来源：不详 题型：单选题

    — How long _________ in singapore?
    — For just the weekend. I’ll be back next Monday morning.
    A．have you stayedB．are you staying
    C．did you stayD．do you stay

    查看答案和解析>>

    科目：高中英语 来源：不详 题型：单选题

    It is said that the book _________ many events that can’t be found in other books.
    A．coversB．writesC．printsD．reads

    查看答案和解析>>

    科目：高中英语 来源：不详 题型：单选题

    All examinations are passed. This is the first time I ____ really relaxed.
    A．have felt B．feel C．had felt D．was feeling

    查看答案和解析>>

    科目：高中英语 来源：不详 题型：单选题

    ________ by the growing interest in nature，more and more people enjoy outdoor sports.
    A．InfluencedB．InfluencingC．Having influencedD．To be influenced

    查看答案和解析>>

    科目：高中英语 来源：不详 题型：单选题

    —Have you heard about that fire in the market?
    — Yes, fortunately no one _____.
    A．hurt B．was hurt C．has hurt D．had been hurt

    查看答案和解析>>

    科目：高中英语 来源：不详 题型：单选题

    ----- Hi, Tracy, you look tired.
    ------ I ________ the living room for three hours.
    A．paintedB．had painted
    C．was paintingD．have been painting

    查看答案和解析>>

    科目：高中英语 来源：不详 题型：单选题

    The price of oil is increasing so rapidly.
    Indeed ! The oil prices____by 10 and 20 percent so far.
    A． increasedB． increaseC． had increasedD． have increased

    查看答案和解析>>

    同步练习册答案