Sorry,I don`t how to upload my answers in your websites.Maybe you can download in this website: http://pan.baidu.com/s/1o8PgOoq .When open the website,you can click “下载（750KB）"，and it may need you to input verification code. Your pronounciation is very well, I can listen it very clearly.:P If you want to get more answers later, you can add my Wechat(yangquan90) and I am very pleasure to help you.

Not a bad effort! It's easy to understand what you are saying, even if it is a bit slow. Slow practice is good though, and your tones are fairly clear. The biggest problem is your "ou" sound in 狗 and 走. You are saying something that sounds like "gao" and "zao". 狗 sounds very like "go" in English. The other issue is the 學 in 學校. Make sure you make it a second tone (that means rising more) Keep working hard :)

Seeing you cannot read Chinese characters for the moment, you may--if possibe and if s/he is willing-- find a native Chinese speaker to help with your Chinese