试题题干
WORD FORMATIONS
Complete each of the following sentences with the proper form of the word in brackets.
(suspicion) It's a bit 
that no one knows where he was at the time of the murder.
参考答案
试题解析
此处缺少形容词。
a bit是副词，副词修饰形容词。所以变suspicion为形容词suspicious。
句意：可疑的是没人知道谋杀案发生的时候他在哪。