Question

To my delight, not only you but also he ________ what the teacher and writer in red ________ at the meeting．

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A．know; say

B．knows; says

C．knows; say

D．know; says

Answer 1

答案：B
解析：

not only…but also引导并列的主语时动词按就近原则使用，从B、C两项中选；从句的主语是the teacher and writer是一个人，谓语动词应用单数形式即says，故选B项。