Improve Improving my English.

It's my the first time I to join have joined in ITALKI. I found that it was funny fun and very useful. I can not only make friends here, but also improve my writing in English and oral English (It's correct :)).

Improve My English

I just join ITALKI(Join in/ join are different.  "Join" means becoming a member of organization; "Join in" is similar to "take part", join in an activity). I found that it was funny and very useful. Not only can I make friends here, but also improve my English writing and oral English.

Improve my English.

It's my the first time to join I have joined in ITALKI. I found that it is funny and very useful. I can not only Not only can I make friends here, but also improve my writing in English and oral English.