Question

My dad is going to Cuba       . He will stay there for a week.
A. on show            
B. on business            
C. on sale

Answer 1

B

试题分析：on show在展出中；on business出差；on sale贱卖。句意：我的爸爸去古巴出差了.他将要在那儿待一个星期。结合语境可知选B。