Question

You’ll fail your next exam _______ you work hard at your lessons from now on .
A. or                 B. so                 C. unless

Answer 1

C

试题分析：句意：如果从现在开始你不努力学习功课，下次考试你会失败的。A. or 或者；B. so 所以；C. unless如果不。故选C。