注意：此页面搜索的是所有试题
题目内容
（华北水利-土木工程-大学英语（3））
12(5.0分)
Mary is always ready to help others when they are in trouble and she never ____ their requests.
A)
turns up
B)
turns over
C)
turns in
D)
turns down
Mary is always ready to help others when they are in trouble and she never ____ their requests.
A)
turns up
B)
turns over
C)
turns in
D)
turns down
参考答案
