【题目】—Why did you throw your radio away? —Water had got into it，and it was completely.
A.ugly
B.smelly
C.useless
D.fluent

【答案】C
【解析】A，ugly丑陋的；B，smelly有味的；C，useless无用的；D，fluent流畅的，流利的；句意：—你为什么把收音机扔了？—进水了，它完全没有用了。根据句意，故选C。