问题补充:
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:
A. is to be blamed
B. should blame
C. should be blaming
(答案→)D. is to blame
解析: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。