Question

【题目】In some western countries, Mother’s Day is celebrated ________ the second Sunday of May.

A. in B. at C. on D. with

Answer 1

【答案】C

【解析】句意：在一些西方国家，母亲节在5月的第二个星期天被庆祝。在具体的某一天用介词on；故选C