介词填空:I always eat my breakfast ---------- going to school---------- the morning.

问题描述:

介词填空:I always eat my breakfast ---------- going to school---------- the morning.

before in
解析 题中想表达 我总是在早上上学前吃早餐
before 在...之前 的意思
in the morning.是固定词组 在早上的意思