问题
选择题
We all think it is Jack as well as his wife that______ for their son’s bad manners in public.
A．are to blame
B．is to be blamed
C．are to be blamed
D．is to blame
答案
答案：D
考查主谓一致。as well as连接两个主语，谓语动词与第一个主语保持一致；be to blame应当受到责备，选D。