—When were you born?—I was born .A. on July 10th 2000B. in July 10th 2000C. in 2000 Jul

问题补充：

—When were you born?

—I was born .

A. on July 10th, 2000

B. in July 10th, 2000

C. in 2000, July 10th

D. on 2000, July 10th

答案：

(答案→)A. on July 10th, 2000

B. in July 10th, 2000

C. in 2000, July 10th

D. on 2000, July 10th

解析：句意：--你什么时候出生的？--我出生在2000年7月10日。时间的表示法常用：月—日—年，在具体的某一天用介词0n, 故选A