-Was your brother born May 1995?----No he was born May 1st 1996.A. in onB. on on

问题补充：

---- Was your brother born May, 1995?

----No, he was born May 1st, 1996.

A. in, on

B. on, on

C. at, on

D. on, at

答案：

(答案→)A. in, on

B. on, on

C. at, on

D. on, at

解析：在表示时间时，in表示在一个时间范围；on表示在具体某一天；at表示在具体时刻。结合语境可知May, 1995为一个时间范围，故前面用介词in。May 1st, 1996.为具体某一天，故前面用介词on。选A。