【题目】We all think it is Tom and Jack rather than he that _______ for the delay of the project.
A. is to blame B. is blamed
C. are to blame D. are to be blamed
在线课程【答案】C
【解析】考查主谓一致和语态。句意：我们都认为是汤姆和杰克而不是他要为工程的延误负责。宾语从句运用了强调句式，be to blame表示被责备，主动表被动；主语是Tom and Jack，所以系动词要用are。故选C。