题干
We usually have a party _______ the evening _______ December 31.
A：in; on
B：in; of
C：on; of
D：on; on
答案(点此获取答案解析）
C
We usually have a party _______ the evening _______ December 31.
A：in; on
B：in; of
C：on; of
D：on; on
