Help improving my communication skills....... please......?
Buy one of the many, many books on closing sales and making sales and then after you have read them, practice, practice, practice. Door to Door marketing takes a lot of work and you have to be able to take a lot of rejection.
How can I improve my English, I mean reading and writting skill?
You can always read a book, do word puzzles, like crosswords, word searches, fill-it ins, they can help you with your vocabulary. Now for reading skills you could practice by writing in a journal about anything, what you did that day, write a little story, describing things in detail, etc. The ideas are endless.