题目内容
【题目】You won't get a good grade in the course you try your best to study hard every day.
A. if B. unless C. because
【答案】B
【解析】
句意：你不会在课程上得到好成绩，除非你每天尽最大努力学习。A. if如果；B. unless除非；C. because因为；根据You won't get a good grade in the course和you try your best to study hard every day之间的关系，可知是除非；故选B
练习册系列答案
口算能手系列答案
相关题目