Don't drink coffee before going to bed, _______ it will keep you up all night! A. or   

Don't drink coffee before going to bed, _______ it will keep you up all night!

A. or       B. and     C. since   D. for

答案

A


解析:

考查句子之间连词的使用。根据前后句子之间的逻辑关系,此处只有or“否则”合乎语境。

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