Because / So / Even though

My cat was hungry ________________ it ate a fish.

• because

• so

You can see ads almost everywhere, _______ it's hard to avoid them. 

• even though

• so

I was late for work this morning ________________ I overslept.

• because

• so

I had a wonderful time, …………………. I didn’t know anyone at the party.

• because

• even though

Mary was sick last week ________________ she went to the doctor.

• because

• so

_________ I don't want to, I sometimes overspend.

• Because

• Even though

Sweden is a cold country ________________ people wear warm clothes in winter.

• because

• so

He didn’t study ________________ he failed the history exam.

• because

• so

They weren’t busy ________________ they helped me.

• because

• so

Catherine didn’t spend much money ________________ everything was on sale.

• because

• so