根据句意及首字母提示补全单词。

1. My family is very poor, so I can't a             the price of 100,000 yuan for a piano.

2. We are d______ how often we do different activities.

3. He p______ speaking English every day.

4. His grandfather r_______ when he was 60.

5. Last week's talent show was great s_______.

（）：在THDS传输通道或电话发生故障后，负责督促通道维护部门查找原因并及时恢复，做好记录备查。

A.供电部门

B.工务部门

C.电务部门

D.信息部门