题目内容

Everything he _____ to his country.
A.had was contributedB.had been contributed
C.had to be contributedD.had contributed
A
考查主语从句.句意:他所有的一切都献给了国家.everything he had为主语从句,谓语动词用单数形式.be contributed to献给,本句强调的是过去的动作,故选A.
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