Question

Is he the only one of the students who ________ here just no

Answer 1

C

C　句意：他是唯一一个刚才在这里的学生吗？先行词为the only one of the students，是单数概念，关系代词who在定语从句中作主语，定语从句谓语动词用单数，根据从句中的时间状语“just now”可知，从句应用一般过去时，故选C项。