I am going to shanghai _____ my summer holiday. A. at B. for C. in 学生觉得B、C都可以,盼望专家老师解惑 holiday 前的介词用法问题。
我也觉得for和in都可以,只是意思不同:
I am going to Shanghai in my summer holiday. 我将在暑假去上海。(in my summer holiday为时间状语)
I am going to Shanghai for my summer holiday. 我将去上海度暑假。(for my summer holiday为目的状语)