HES Subordinating Conjunctions

Which word in the sentence below is a subordinating conjunction?

I can not believe I did poorly on my test although I studied last night.

Which word in the sentence below is a subordinating conjunction?

Even if we lose the game, we tried our best

Which word in the sentence below is a subordinating conjunction?

We will stay for the whole football game unless we are losing by 14 points.

Which word in the sentence below is a subordinating conjunction?

Because we are running late, we will need to hurry.

Which word in the sentence below is a subordinating conjunction?

Sara begins to sneeze whenever she walks outside in the spring.

Which word in the sentence below is a subordinating conjunction?

I will get a good job if I get a good education.

Which word in the sentence below is a subordinating conjunction?

This tire swing has been at my house since my childhood.

Which word in the sentence below is a subordinating conjunction?

During my dance recital, I forgot a step in my routine.

Which word in the sentence below is a subordinating conjunction?

I want some pepsi to drink, but they only have coke.

Where should a comma go in the sentence below?

Once we get home I need to let the dog outside.