--You will get into big trouble you can’t prove that you didn’t cheat in the exam.
--I know. I will collect enough evidence to make them believe me.
A. unless
B. when
C. although
D. while
网友回答
A. unless
(答案→)B. when
C. although
D. while
解析：
试题分析:考查连词。A除非；B 既然，当。。。时候；C 尽管；D 尽管，当。。。时候，然而。从语境判断后句you can’t prove that you didn’t cheat in the exam.和前句You will get into big trouble是因果关系，所以B选项正确。句意—既然你不能证明你考试没有作弊，那么你会有大麻烦的。—我知道。我会收集充分的证据来让他们相信我的。