—When were you born?—I was born the morning of May 7th 1995.A. inB. onC. atD. of

问题补充：

—When were you born?

—I was born the morning of May 7th, 1995.

A. in

B. on

C. at

D. of

答案：

A. in

(答案→)B. on

C. at

D. of

解析：考查介词：一般情况下，在早上，下午或晚上用介词in，但确指某一天的早上或晚上时要用介词on。句意：--你什么时候出生的？--在1995年5月7号的早上出生的。选B。