Question

【题目】What are you going to do _____ Children’s Day? ( )

A.atB.inC.on

Answer 1

【答案】C

【解析】

句意：在儿童节你打算做什么？A. at 加时间点，B. in 加年月，季节，C. on用在具体的某天前面，故选C。