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

 

B

解析：考查情態(tài)動詞的用法。句意為：這臺打印機的質(zhì)量很好。如果在第一年里它壞了的,修理費用由我們負擔。對將來虛擬時，用should/were to do +v原形。

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