Present simple vs present perfect

Circle the correct item


1)Marzhan has come/came back from her hiking trip. She's exhausted

2)When we were on holiday we have walked/walked for two hours every day

3)Madiyar left/has left for the airport three years ago

4)Aisulu has decided/decided to buy a new computer last week

5)The Ibrayev family don't live here any more. They moved/have moved to Liverpool 2 years ago

6)Diaz didn't make/hasn't made any plans for the weekend yet

7)The children saw/have seen a lot of exotic animals at the zoo last Monday

8)Nuriya has heard/heard that joke before