I'm looking for someone ___ speaks Spanish.
who
An airport is a place (planes land)
An airport is a place where planes land.
Where does she live?
I don't know where she lives
A hive is ___ bees live.
where
My mobile phone is something (be very important to me)
which is very important to me.
What arrived in the post?
I don't know what arrived in the post
He's wearing the tie ___ I gave to him.
which
I sent an email to my brother (my brother lives in Australia)
I sent an email to my brother who lives in Australia
How did they have the idea?
I don't know how they had the idea
Is there a bench ___ we can sit?
where
They called a lawyer (the lawyer lived nearby)
They called a lawyer who lived nearby
When is she working?
I don't know when she's working
A mechanic is a person ___ fixes cars.
who
She worked for a man (the man used to be an athlete)
She worked for a man who used to be an athlete
Why did he leave?
I don't know why he left