adverb clauses / connectors

I forgot the key because I was busy.

"Because I was busy" is

Since I finished school, I have worked

" I have worked" is:

A dependent clause

which connector can have a comma before?

He passed the level ___ the bad grades

My dad is saving money___ get a car for the next holiday

I didn´t feel good in Sara´s house. ___ , I stayed there for 4 hours

My computer is failing ... an electrical problem

Escapar

enter to steal

How do you say: criar?

The man __ the spirits

if you have been absent for many days, you need to___

If you finish a romantic realtionship , you ...

when you enter a hotel, you need to __ and then ___