I'll wait for you( )the school gate应该填什么介词

I'll wait for you( )the school gate应该填什么介词
I'll wait for you( )the school gate应该填什么介词

I'll wait for you( )the school gate应该填什么介词
at 我会在校门口等你

at

at the school gate, gate 应该用at 来修饰 door 也是用at的