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    精英家教网 > 高中英语 > 题目详情
    16．This laptop computer is of good quality．If it _________ break down within the first year，we would repair it at our expense．（　　）
    A．wouldB．shouldC．couldD．might

    分析 这个笔记本电脑质量好．如果它在第一年出故障，我们出钱修理．

    解答 答案是B．本题考查虚拟条件句．根据句意，这是与将来事实相反虚拟条件句，从句中动词有三种：1）动词用过去时，be动词往往用were；2）were to+动词原形；3）should+动词原形，由此判断答案是B．

    点评 在掌握虚拟语气的规则的基础上，判断题干属于什么类型的虚拟，然后根据语境，选用恰当的动词形式表达虚拟．

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