Present perfect или Perfect progressive? 1) It (snow) all day 2) I (see, not) you for weeks. 3)What (you, do) all this

1) It has been snowing all day. 2) I haven\'t seen you for weeks. 3) What have you been doing all this time? 4) I have written to them three times, but I haven\'t got any answer yet. 5) Bill has been here since the 5th of November. 6) I have met Mrs Gordon many times this week. 7) Colin, you have missed already very many classes. 8) I have been phoned Diana for three hours already, but she is not at home yet. 9) I have been working on the computer since six and I haven\'t finished it yet. 10) I have always wanted to make a tour of Spain. 11) The telephone have been ringing for almost a minute. 12) I haven\'t even had coffee yet. 13) They have been building their house for a year and a half.