Correct the mistakes if any
- By the time she realized her gloves were missing, it was snowing for hours.
- Despite of the cold weather, they're going for a walk in the snowy park.
- The living room was very cozy with the fireplace and warm blankets.
- We have visited the mountains and skiied down the slopes last winter.
- They will be enjoying the winter sports since they arrived at the resort.
- Last night, we sit around the fireplace and telling stories until midnight.
- When I looked out the window, it snowed for hours.
- They had built a snowman before the sun had come out.
- She had never seen so much snow before she moved to the northern region.
- When we arrived, the fire was already burning brightly.
- Last winter, we decorated the entire house by the end of December.
- The kids sledded down the hill, laughing and enjoying the winter day.