_______________ you study hard, you won’t pass your examinations.
unless
Although Jessica loved country music, she also enjoyed listening to jazz.
Complex
My favorite TV show is Superman, but my sister really likes Spiderman.
Compound
We stayed at home, __________ watched a film.
and
Mark wants to play football and become a footballer.
Simple
He's very rich, __________ he doesn't spend a lot of money.
but
____ it rained, the boys played football.
Although
The cat and dog ran in the living room.
Simple
They went out because they wanted to eat in a restaurant.
Compound
She went swimming even though the water was freezing cold.
Complex
My mom does housework, and I do my homework.
Compound