[ ] we don't have anyone who specializes in health care, we should
hire some experts.
(1) Since
(2) Although
(3) However
答案
(1) Since
解说
逗号前后为两段完整句子(S+V)，判断句首使用从属连接词，而由文意判断(1)为正解。
其他选项
(2) Although（虽为从属连接词，但语意不合）
(3) However（however是连接词，但语意不合）
下次更新日:10/15
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