问题
选择题
Everything he _____ to his country.
A．had was contributed
B．had been contributed
C．had to be contributed
D．had contributed
答案
答案：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.