Learning languages

Target Language or Knowledge:

I need to ____ my typing skills before applying for this secretary vacancy.
Brush up
If I want to _____ a local, I need to speak only French.
Pass for
When I was an intern at adverting agency I had to______ some communication strategies very quickly.
Pick up
I can’t get my _____ round this theory.
head
His name was ____ my tongue.
on the tip of
It is my fault. I’ve ______ the wrong ____ of the stick.
get, end
It is so annoying when we are always talking _____ purposes
at cross