ThisiPhoneisofgoodquality．Ifit     breakdownwithinthef...

問題詳情：

 This iPhone is of good quality．If it      break down within the first year, we would repair it at our expense．

       A. should                   B. would                   C. could                    D. might

【回答】

A

知識點：虛擬語氣與情態動詞

題型：選擇題