—What do you think of the concert given by the famous Hong Kong singer?
—Not so good．In fact, it to be a great disappointment.
A. turned up
B. turned in
C. turned down
D. turned out
网友回答
A. turned up
B. turned in
C. turned down
(答案→)D. turned out
解析：turn out to be表示“结果是，证明是”。turn up出现；露面；turn in上交；出卖；turn down拒绝；调低（声音）。