When were you born?一I was born the morning of June 18th 1975A. inB. onC. atD. to

问题补充：

When were you born?一I was born the morning of June 18th，1975

A. in

B. on

C. at

D. to

答案：

A. in

(答案→)B. on

C. at

D. to

解析：考查介词的用法。句意：--你什么时候出生的？在1975年6月18号的早上。具体某天早上用on.选B。