问题
选择题
Officials believe that more than one person _____ for the big fire.
A．is to be blamed
B．should blame
C．should be blaming
D．is to blame
答案
答案：D
考查主谓一致。more than one +单数的可数名词，不止一个，谓语动词应用单数形式，短语：应受责怪be to blame，句意：官员们认为不止一个人因为大火应受责怪。所以选D。