[ ] 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
解說
逗號前後為兩段完整句子(S+V)，判斷句首使用從屬連接詞，而由文意判斷(1)為正解。
其他選項
(2) Although（雖為從屬連接詞，但語意不合）
(3) However（however是連接詞，但語意不合）
下次更新日:10/15
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