英语菜鸟，请翻译下有语病没？

First diary in English
Today is Thursday .It's cloudy day today . I have been learning English for many months. My English has greatly improved in these months. From now on, I will improve on my writing and listening skills. I will do my best.

逗号后面一定要跟介词。否则一定要加句号。

First diary in English
Today is Thursday ,It's a cloudy day .I have been learning english for many months. My English has got a great improvement in these months.From now on I will improve my writing and listening ability , I will do my best to do it .

...It's a cloudy day today.... My english has been improved a lot in these months. From now on, i will improve my writing and listenng abilities as well. I will do my best to do it.