My friend Henry was born June 10th 1997.A. inB. onC. atD. for

问题补充：

My friend, Henry was born June 10th, 1997.

A. in

B. on

C. at

D. for

答案：

A. in

(答案→)B. on

C. at

D. for

解析：本句的含义为我的朋友亨利出生于1997年6月10号，在某天前用介词on，本题中有个6号，故本题选B。