问题
选择题
The professor, _____ some of his assistants, _____ to attend our discussion this afternoon.
A．and; is
B．as well as; is
C．or; are
D．except for; are
答案
答案：B
考查连词及主谓一致。A项谓语动词用are，as well as也，以及，连接两个主语谓语动词与前一个保持一致，故选B。