【题目】— Why did your brother look so down?
His ________ to become a pilot was held back by his poor eyesight.
A.promotion
B.destination
C.instruction
D.ambition

【答案】D
【解析】句意：——你弟弟为什么看起来这么沮丧？——他想当飞行员的野心被他可怜的视力所抑制。A. promotion”晋升“；B. destination”目的地“； C. instruction ”指导“； D. ambition”雄心“。根据句意可知答案为ambition。故选D。