Either you or he to give them a lecture tomorrow.A. isB. are C. hasD. have

问题补充：

Either you or he to give them a lecture tomorrow.

A. is

B. are

C. has

D. have

答案：

(答案→)A. is

B. are

C. has

D. have

解析：

试题分析:考查主谓一致。Either……or连接并列主语时，谓语动词要就近一致， be to do 表示按计划要做的事情，has to do 表示“不得不”，不符合句意，故答案选A。句意：要么是你要么是他明天得给他们做个报告。