请教:2011年大学英语三级(cet3)B级全真模拟试卷(2)第4大题第5小题如何解答?【题目描述】第 20 题 Mary is always ready to help others when they are in trouble and she never __ their requests.A) turns up B) turns overC) turns in D) turns down
题目
请教:2011年大学英语三级(cet3)B级全真模拟试卷(2)第4大题第5小题如何解答?
【题目描述】
第 20 题 Mary is always ready to help others when they are in trouble and she never __ their requests.