Fill in the gaps with the verb in Present Perfect or Present Perfect Continuous and choose for or since.
1) They (learn) English (for/since) 5 years.
2) He (not be) to a cinema (for/since) last year.
3) Mike (know) Betty (for/since) two years.
4) I (not see) you (for/since) ages.
5) I (listen) to music (for/since) early this morning.
6) It (snow) (for/since) hours.