Question

Mary __________ to school on foot every morning.

A．go

B．goes

C．went

D．will go

Answer 1

B

试题分析：句意:玛丽每早上步行上学。根据时间状语every morning可知此空应用一般现在时态，主语Mary是第三人称单数，所以谓语动词用第三人称单数，故选B。