试题题干
WORD FORMATION
Complete each of the following sentences with the proper form of the word in brackets.
Today, we expect the public telecommunications network to provide a reliable and 
accessible service. (high)
参考答案
试题解析
此处缺少副词。
accessible是形容词，副词修饰形容词，所以变high为副词highly。
句意：今天，我们期望公共电信网络能够提供可靠和高度可访问的服务。