Past simple or present perfect?
It is Saturday and finally I 1) ………… (arrive) in Arequipa in the south-west corner of Peru after setting off from Quito ten days ago. I 2) ………… (not / write) anything on my blog since last week and I 3) ………… (already / fill up) the memory stick on my new digital camera. I 4) ……….. (do) so much this week, it 5) ………… (be) truly incredible.
I 6) ………… (cross) the border with Ecuador at Tumbes and 7) ………… (look around) for a bit before taking a plane straight to lima. When I 8) …………. (get to) Lima, I 9) ………… (take) a bus to the centre and then a taxi to the hotel that I had booked. I 10) ………… (only / stop off) in Lima for a day and then 11) ……… (jump) on a bus straight down to Pisco and then Nazca. I 12) ………… (always / have) a lifelong ambition to see the Nazca lines in the desert. I can honestly say that I 13) ………… (never / see) anything so amazing in my life.
In the middle of the desert, there are huge designs and drawings of shapes and animals that can only be seen from the air. I 14) ………… (join) a group of five people from my hotel. We 15) ………… (take off) in a small plane and 16) ………… (circle) the Nazca lines. The pilot 17) ………… (tilt) the plane to the side so we could look straight down at the designs below. I 18) ………… (even / manage) to take some photos so click the link to have a look at my photo album! I must finish uploading all my photos soon because I 19) ………… (not / do) them all yet and I need the space on my camera. There 20) ………… (be) too many distractions this week! With all this going on, I mustn’t forget that I am going to Cuzco early tomorrow morning by train.

1. I have finally arrived (pr.perfect), далее past simple - "p.s"; present perfect - "p.p"2. p.p3. p.p4. have done(p.p) ; 5. it was (p.s.) truly.6. p.s7.p.s.8.p.s9.p.s.10.p.s11. p.s12.p.s13. I have never seen (p.p)14. p.p15.p.p16.p.p17.p.p18.p.p19. I haven't done (p.p)20. were (p.s)