You will not remember the facts you understand them all. A. if B. unless C. if not D. because——青夏教育精英家教网——

题目内容

You will not remember the facts _____ you understand them all.

A. if
B. unless
C. if not
D. because

试题答案

B

相关题目

You will not remember the facts _____ you understand them all.

A. if
B. unless
C. if not
D. because

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