题目内容
【题目】When you're learning a foreign language, use it, ______ you will lose it. ( )
A. but B. or C. then D. and
【答案】B
【解析】
略
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题目内容
【题目】When you're learning a foreign language, use it, ______ you will lose it. ( )
A. but B. or C. then D. and
【答案】B
【解析】
略