To my surprise, the stranger ________ to be an old friend of my mother．
To my surprise, the stranger ________ to be an old friend of my mother．
A.turned in
B.turned over
C.turned out
D.turned down
答案及解析： C
To my surprise, the stranger ________ to be an old friend of my mother．
A.turned in
B.turned over
C.turned out
D.turned down
答案及解析： C