题干
Teachers' Day in China is 10th September while South Korea's Teachers' Day is May.
A：on; on
B：in; in
C：on; in
D：in; on
答案(点此获取答案解析）
C
Teachers' Day in China is 10th September while South Korea's Teachers' Day is May.
A：on; on
B：in; in
C：on; in
D：in; on
