A. how many people to attend it
B. why to hold i
C. where to hold i
D. what to coo

A. people are very keen on sale
B. post-Christmas sales start at 3:30
C. post-Christmas sales last for a da
D. sales include only a few item
A. Some people buy Christmas presents in the sale
B. Some people shop online during the sale
C. Some people buy presents for next Christma
D. Online retailers offer better post-Christmas sale