Little did the teacher imagine that a student good at maths _____ have failed in the exam.
Shortly after the accident , two ______ police were sent to the spot to keep order .
My dictionary ________ . I have looked for it everywhere but still ______ it .
The news about the terrible flood there greatly discouraged ______ these for a sight-seeing .
He's unlucky , and he's always suffering _____ luck one after another .
Our decision _____ was wise .