3. make answers to the questions. use since or for.
1) how long have you been playing the violin? - almost five years
i've been playing the violin for almost five years.
2) how long has tom been browsing the internet? - twenty minutes
3) how long have you been chatting on a computer? -7 p.m.
4) how long has tom been making videos? - half an hour
5) how long has tom been downloading music? : - april
6) how long have you been talking now? - ten minutes​