问题
选择题
It was Tom as well as his friends that ________ for the serious accident.
A．was to be blamed
B．were to blame
C．was blaming
D．was to blame
答案
答案：D
考查主谓一致。be to blame应该受到责备。as well as连接两个主语，谓语动词与前一个主动保持一致。句意：是汤姆和他的朋友对这起严重的事故负责。