There is going to be a wonderful party the evening of October 1st .A. inB. onC. atD.

问题补充：

There is going to be a wonderful party the evening of October 1st,

.

A. in

B. on

C. at

D. for

答案：

A. in

(答案→)B. on

C. at

D. for

解析：本题考查介词。在具体的某一天的晚上用介词on。句意：在10月1日晚上将有精彩的晚会。