You will not remember the facts _____ you understand them all. [ ]A. if B. unless C. if not D. becau

题目简介

You will not remember the facts _____ you understand them all. [ ]A. if B. unless C. if not D. becau

题目详情

You will not remember the facts _____ you understand them all.
[     ]
A. if
B. unless
C. if not
D. because
题型:单选题难度:中档来源:期末题

答案

B

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