问题补充：
--- Don’t do that again. Don’t you think it ?
--- It maybe to be successful.
A. a waste of time; turns
B. wastes of time; turns in
C. waste of time; turns up
D. a waste of time; turns out
答案：
A. a waste of time; turns
B. wastes of time; turns in
C. waste of time; turns up
(答案→)D. a waste of time; turns out
解析：考查短语搭配。a waste of time浪费时间；turn out证明是，结果是，原来是。句意：——不要再那样做了。难道你不认为是浪费时间么？——也许证明是成功的。
