Question

【题目】I am usually busy the evening, but Sunday evening I’m free.

A. in; on B. in; in C. on; in D. on; on

Answer 1

【答案】A

【解析】试题分析：我经常晚上很忙，但周日晚上我有空。泛指“在晚上”用in the evening；具体到某一天的晚上用on。故选A。