you have heard the song, you'll never forget it. [ ]A. Unless B. Although C. Onc
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_____ you have heard the song, you'll never forget it. [ ]A. Unless
B. Although
C. Once
D. Until
试题答案
C
_____ you have heard the song, you'll never forget it. [ ]A. Unless
B. Although
C. Once
D. Until
C