介词.副词填空 To my surprise, the stranger turned to be an old friend of my mother's.
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介词、副词填空
To my surprise, the stranger turned _____ to be an old friend of my mother's.
试题答案
答案：out
介词、副词填空
To my surprise, the stranger turned _____ to be an old friend of my mother's.
答案：out