Question

【题目】—Either you or she ________ on duty today. Don't forget it.

—OK, I won't.

A. is B. am C. are D. be

Answer 1

【答案】A

【解析】句意：要么你要么她今天值日。不要忘记了。短语either ...or...“或者(要么)……或者(要么)……”连接并列主语时，谓语动词和最近的主语一致（就近原则）。根据she可知用is，故选A。