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    A. good friend always gives you a helping hand you’re in trouble. A. when B. before C. until D. though 【查看更多】

     

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    A good friend always gives you a helping hand _____ you're in trouble.      
    [     ]
    A. when                      
    B. before                      
    C. until                      
    D. though

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    A good friend always gives you a helping hand           you’re in trouble.

    A. when            B. before               C. until          D. though

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