The New Year party is ________ the evening of January 1st.
A:of
B:in
C:on
D:at
先看一看每个字的间架结构,再写一写。
孙 挑 疼 痛 罪 宗
某同学为了探究种子萌发所需要的环境条件,设计了以下实验
— How old were you in that photo?
— ( )