Thisprinterisofgoodquality.Ifit

问题详情：

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

【回答】

B

知识点：虚拟语气与情态动词

题型：选择题