Question

（）the middle () the day , we have lunch () school. A: On , in , at B : At , of , in

C : In , of , at . D : In , of , on

Answer 1

填 C : In , of , at
（In）the middle (of) the day, we have lunch (at) school.
In the middle of the day 是 “中午” 的固定表达方式。
at school “在学校”， 但未必“在学校里面” (in school)