Those overalls match my shoes because I wear them so often.
Those overalls match my shoes THAT'S WHY I wear them so often.
This restaurant serves so many delicious dishes, in addition different kinds of pizza, lots of pasta, plenty of desserts and drinks.
This restaurant serves so many delicious dishes, SUCH AS / FOR EXAMPLE different kinds of pizza, lots of pasta, plenty of desserts and drinks.
I spent a lot of time getting ready for this exam. Firstly, I got the highest mark for it!
I spent a lot of time getting ready for this exam. THAT'S WHY / AS A RESULT, I got the highest mark for it!