Personal note

Hi dear friends.

I`m here to learn English and teach Portuguese.
This is a wonderful(amazing, effective, great, awesome) tool for learning new languages and making new friends.

Personal note

Hi dear friends.
I'm here to learn English an teach Portuguese.
This is a wonderful tool to learn languages and make new friends.

Personal note

Hello dear friends. ["dear" is a little formal so "hi" isn't very suitable]
I'm here to learn English an teach Portuguese.
This is a wonderful tool for learning lenguages and making new friends.

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Good luck! Notebook entries are mostly for practising typing, if you want to get in touch with people try Language Partners option: http://www.italki.com/partners

Personal note

Hi dear friends.
i`mm here to learn elnglish and teach portuguese.
This is a wonderful tool for learn lenguages and making new friends.