This 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
网友回答
A. would
(答案→)B. should
C. could
D. might
解析：句意：这台打印机质量很好。如果它在第一年竟然就损坏了，修理费用由我们负责。Would表示意愿；should表示说话人惊奇、失望等情感；could表示可能性；might表示可能性，选B。