Thisprinterisofgoodquality.Ifit

問題詳情：

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

知識點：虛擬語氣與情態動詞

題型：選擇題