1. Thank you/ much/ your letter/ arrive/ few days ago.
=> Thank you so much for your letter that arrived a few days ago.
2. It / be lovely / hear / you.
=> It was lovely to hear from you.
3.I / be sorry / I not write / such / long time/ but I / be very busy.
=> I am sorry I have not written for such a long time, but I have been very busy.
4. As you know/ we buy / new house / September.
=> As you know, we bought a new house in September.
5. It/be/very bad condition/ and it need / a lot / work
=> It was in very bad condition, and it needed a lot of work.
6. We finish / most / it now / and it look / very nice.
=> We have finished most of it now, and it looks very nice.
7. Peter and I / decide / give /house- warming party / May 3rd
=> Peter and I have decided to give a house-warming party on May 3rd.
8. You think/you/ able / come?
=> Do you think you will be able to come?