Question

( )is the Christmas? It's on December 25th. 括号里填when还是what day

Answer 1

________is
christmas
day
?
it's
on
december
25th.
横线中该填when还是what
date？说明理由
应该是：when
_when_is
christmas
day
?
it's
on
december
25th.
意思是：圣诞节是在那一天？是在12月25号。
理由：
注意回答是it's
on
december
25th.，多出一个on
如果用what
date提问，回答是日期，it's
december
25th。不需要用介词on。