At the ( )开始of this term ,we learned an English song.空里填开始,为什么这样做

问题描述:

At the ( )开始of this term ,we learned an English song.
空里填开始,为什么这样做

at the start /at the beginning of sth
固定词组!

at the beginning of 固定搭配

beginning
at the beginning of 在.开始的意思.

beginning
at the beginning是一个固定词组