题目内容
【题目】The printer is of good quality. If it ________ break down within the first year, we would repair it at our expense.
A. would B. should C. could D. might
【答案】B
【解析】打印机质量很好。如果第一年内它坏了,我们会免费维修。If对将来时的虚拟 ,从句:If + 主语+ should (或were) + 动词原形+……主句:主语+ would (could, should, might) + 动词原形+……
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