Present Perfect or present perfect progressive?

1)Colin, you (miss) already very many classes.
2)It's 11 p.m. . I (work) on the computer since six and I (finish, not) yet.
3) I always (want) to make a tour of Spain.
4) The telephone (ring) for almost a minute. Why doesn't someone answer it?
5) They (build) their house for a year and a half.

1) Colin, you have already missed very many classes. 2) It's 11 p.m. I have been working on the computer since six and I haven’t finished yet. 3) I  have always wanted to make a tour of Spain.  - не уверена 4) The telephone has been ringing for almost a minute. Why doesn't someone answer it?5) They have been building their house for a year and a half.