TOEFL punctuation

All the stores closed early it was Christmas

• This sentence is correct.

• This sentence is incorrect. It is a run-on sentence.

• This sentence is incorrect. It is a comma splice.

Since it's a new year, I'm going to exercise more!

• This sentence is correct.

• This is a run-on sentence.

• This is a comma splice.

The results are in. Daniel passed his driving test!

• These two sentences are correct.

• These two sentences are incorrect.

It's getting dark; let's head back to the campsite.

• This sentence is correct.

• his is a run-on sentence.

• This is a comma splice.

Although it's raining, we're going for a walk.

• This sentence is correct.

• This is a run-on sentence.

• This is a comma splice.

He's working late he's leaving tomorrow.

• This sentence is correct.

• This is a run-on sentence.

• This is a comma splice.

They moved, I need their new address.

• This sentence is correct.

• This is a comma splice.

• This is a run-on sentence.

I like pizza, but I don't want any right now.

• This sentence is correct.

• This is a run-on sentence.

• This is a comma splice.

The parking lot was full; We couldn't find a spot.

• This sentence is correct.

• This sentence is incorrect.

When I get home, I'm going to take a shower.

• This sentence is correct.

• This sentence is incorrect.