问题
选择题
I'm sorry you didn't have fun ___ your day off. [ ]
A. at
B. of
C. on
D. in
答案
答案：C
搜题请搜索小程序“爱下问搜题”
I'm sorry you didn't have fun ___ your day off. [ ]
A. at
B. of
C. on
D. in
答案：C