【题目】We have been waiting for her all the afternoon, but she hasn't ________ yet.
A.turned round
B.turned up
C.turned out
D.turned to

【答案】B
【解析】turn round转过头来；turn up出现，露面；turn out最终是，结果是；turn to向某人求助。句意：我们等了她一整下午，但是她仍没露面。故答案选B。