问题
选择题
Nobody but me ______ that either you or Tom ______to take part in this activity.
A．knows / is
B．know / are
C．know / is
D．knows / are
答案
A
考查主谓一致。Nobody but me作主语谓语与Nobody保持一致；either you or Tom作主语采用就近一致原则，谓语与Tom保持一致。所以选A 除了我没有人知道或者你或者汤姆要参加这次活动。