Writing Clarity

Which of these answers is incorrectly punctuated?

• The dogs are going for a walk; they'll be tired afterward.

• The dogs are going for a walk, so they'll be tired afterward.

• The dogs are going for a walk, they'll be tired afterward.

Inside the glove compartment were legal documents, pictures, and there were a few napkins from the coffee shop but no gloves.

• and there were a few napkins from the coffee shop, but no gloves.

• and there were a few napkins from the coffee shop, but not any gloves.

• and napkins from the coffee shop, no gloves were there.

• and napkins from the coffee shop, but no gloves.

• and napkins from the coffee shop, there were no gloves.

Even though I have seen the movie countless times, I still laughed when the sheriff throws his mug.

• laughed when the sheriff throws his mug.

• laugh when the sheriff throws his mug.

• laugh when the sheriff threw his mug.

• laughed whenever the sheriff throws his mug.

• laugh when the sheriff will throw his mug.

Yesterday, I fell down the stairs and then tried to act like I did so on purpose.

• Yesterday, I fell down the stairs and then

• Yesterday, I fell down the stairs, I

• I fell down the stairs yesterday, I

• After I fell down the stairs yesterday; I

• Falling down the stairs; I

Fleeing the horde of zombies on foot, an apparently safe building became visible to the terrified couple.

• an apparently safe building became visible to the terrified couple.

• the terrified couple spotted a building that looked safe.

• a safe looking building was spotted by the terrified couple.

• the terrified couple's luck changed when they spotted a safe looking building.

• their fear subsided somewhat when the terrified couple would spot a safe looking building.