问题补充：
—I drove to Zhuhai for the air show last week.
—Is thatyou had a few days off?
A. why
B. what
C. when
D. where
答案：
(答案→)A. why
B. what
C. when
D. where
解析：根据语境，甲说上周驱车去珠海观看航模展览。乙据此来询问甲这是否是请几天假的原因，故答案是A。选项B、C、D均与该题语境不符。根据上句提供的语境，下句应该问“那就是你为什么离开几天的原因吗？”
