He promised to come but he hasn't yet.A. turned upB. turned overC. turned outD. turned b

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。