问题补充:
He promised to come, but he hasn yet.
A. turned up
B. turned over
C. turned out
D. turned back
答案:
(答案→)A. turned up
B. turned over
C. turned out
D. turned back
解析:考查词组:A.turned up出现,露面B.turned over反过来C.turned out结果是D.turned back转身,句意:他答应来的,但到现在还没露面。选A。