Relative pronouns

This is the girl _________ I met at the party last night.

That's the dog ___________ chased me last night.

My friend ___________ gave me this pen.

The armchair _________________ in my bedroom is red.

Come see the car ________________I bought last week.

German is a language _______________ many people speak.

Janet, can you return the book ______________you borrowed last month?

On Monday he was at the gym ______________ I go after work.

Look at that parrot ______________ is flying through our window!

Cheetahs are animals ________________can run the fastest in the world.