Question

【题目】(2018·山东临沂) When you are in your school dining hall during lunchtime, you may feel lonely _______ you can find someone to have lunch with.

A. if B. unless

C. after D. because

Answer 1

【答案】B

【解析】

句意：当你在学校食堂吃午饭的时候，你可能会感到孤独，除非你能找个人一起吃午饭。考查连词用法辨析。if如果，unless除非，都表条件；after表时间，because表原因。本句前后句是条件关系，，可排除CD两项。根据句意可知if不合句意，故选B。