87. This printer is of good quality. If it _______ break down within the first year, we would repai

问题描述:

87. This printer is of good quality. If it _______ break down within the first year, we would repai
A. would B. should
C. couldD. might
请翻译、并详细分析,越详细越好.谢谢!

A
should 表示可能的虚拟假设.
该款打印机质量好.若购买后一年内出现故障,我们将保修.