if somebody say "thanks" for me ,can i say "anytime" for him? today,i saw a film. there is a dialogue like this. one said "thanks",another said "anytime". or have i got it wrong?

what is the mean of karaoke in England and USA? i was sent a song that i sing to my friend. and he told me that sent the karaoke to him. in china ,karaoke means that someone sing together what does he means karaoke? what is the mean of karaoke in England and USA?

what's the different between "besides" and "except"?

how to find the other chat groups? can you help me? this is the third day that i am in italki. i were find a lot of friend in here. especially Soki,a friend comefrom Mrocco,i like your songs :) and "xiong.yali" ,comefrom Hungary,he is learning chinese.your pinyin is so good. so gald see you. now i have a qusetion. it's only six chat groups i can join in. these chat groups are "free chat - any lauguage" ,"english - spanish","english - french","find a teacher/student","english - chinese" and "english only". is it only these chat groups in here? if not,how to find the other chat groups? i can practice my english in there chat groups. but i want to find a korean chat group to practice my korean. i do not know how to find. can you help me? thank you.

안녕 하세요!희망 과 당신 친구 가 되 었 다! 안녕 하세요, 중국 에서 왔 어요! 저 는 성격 이명 랑 의 젊은이 들 을 매우 려면 한국어 를 공부 할 수 있 게! 무척 보고 싶 어 한국 친구 와 교류 를 확 대해 왔 다,모두 가 함께 공부. 희망 과 당신 친구 가 되 었 다, 이상 내 에 힘 입 은 바 컸 번역 도구 다, 저 는 지금 의 한국말 은 나 쁜 하 니, 양해 부탁 드 립 니 다