题目

________ you are unable to deal with it，perhaps we should ask someone else for help. A．Although  B．While C．Since  D．Unless 答案：　C　[考查状语从句。句意：既然你不能处理它，我们也许应该请别人来帮忙。since“既然，由于”，符合句意。although“尽管”；while“当……时”；unless“除非”。]

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