题目内容

The professor, _____ some of his assistants, _____ to attend our discussion this afternoon.
A.and; isB.as well as; isC.or; areD.except for; are
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。
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