Language learning is a slow process,which( )a lot of effort ,time,and patience

选Arequires要求

Language learning is a slow process,which( )a lot of effort ,time,and patience

语言学习是一个缓慢的过程，它需要投入大量努力、时间和耐性

A.requires B.leaves C.pays D.offers

要求 留下 支付 提供

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