【题目】How could you ________ such a fantastic job when you have been out of work for months?
A.turn off
B.turn in
C.turn down
D.turn to

【答案】C
【解析】句意：你都失业好几个月了，你怎么还会拒绝这么好的一份工作。A .turn off” 关掉“;B. turn in”上交“;C .turn down”拒绝，调低“；D.turn to” 转向，向...求助“。根据句意，选C。