单项选择题

The police have asked for the ______of the public in tracing the whereabouts of the missing child.

A．award
B．co-operation
C．position
D．helpfulness
<上一题 目录 下一题>
热门 试题

单项选择题
His strange behavior confirmed his neighbors in their______ that he was guilty.
A．suspicion
B．doubt
C．estimate
D．imagination
单项选择题
The Lewis and Clark expedition ______the ten Story of the Louisiana Purchase and beyond as far as the Pacific Ocean.
A．located
B．searched
C．exploited
D．developed
相关试题