WHich is correct?

please tell which of the following lines contain an error.

1.Curtain rod is beautiful piece in house.

2.The cute, brown puppy snuggled up against me.

3.The boy rode his red bike all around the neighborhood.

4. The weather was beautiful today here in Dallas.

5.One thing that despise me is when people cannot look me in eye.

6.I am so excited for the holidays to arrive.

7.We are expecting scattered storms here over the next few days.

8.My favorite part of the morning is having a cup of coffee.

9.It is hard to believe that I have been married for 14 years.

10.I really want to learn how to ride a bike over the next few months.

11.I just started running a few months ago and I'm looking to run my first marathon.

12.I went to mall today with every intention to by a new pair of sock, but came away empty handed.