题目内容：

1)Children get gifts ( ) Christmas and ( ) their birthday A on;on B at;on C in;in D in;on

优质解答

B at,on
at Christmas 在圣诞节,或者用 on Christmas Day ,
on their birthday 在他们的生日.
children get gifts at christmas and on their birthdays
孩子们在圣诞节和他们的生日得到礼物.