the grammar made me headache,who can help me ? who can tell me the difference between 1. I haven't seen you for a long time ,where have you been ? and 2. I didn't see you for a long time, Where did you go ? and 3. I haven't seen you for a long time . Where did you go ? Which is right ? and what's the difference?

want to know the answer urgently......... who can tell me which one is right? 1.How are you going to the US? 2.How are you going to go to the US? and which one is the right answer?why? 1. I am going to the US by plane 2.I am going to go the the US by plane ?? sorry, write mistae the second answer is 2.I am going to go to the US by plane

who can tell me the difference between "air conditioner and air conditioning " ? who can tell me the difference between "air conditioner and air conditioning " ?

grammar is really important? I want to be a english interpreter,some people told me just learn from America TV shows than follow it.but I think sometimes the people from TV plays didn't have a precise grammar like we learned.So who can help me? is it garmmar important or learn english from TV is the best and fastest way??

First notebook entry: Introducing myself Im Jessica 22years old like music and travelling very much I wanna learn English and Korea, because I like Australia and South Korea So I want to know friends here to learn each other and learn different culture