Complete the sentences with 'who', 'which', 'whose', 'when' or 'where'.
1. Last week he got a phone call from his father,.....he hadn't spoken to in years.
2. When I left they threw me a party, ...... was a complete surprise.
3. My birthday, was my 40th,... turned out to be a wonderful day!
4. The Javan tiger, habitat was largely destroyed by humans,.... is now extinct.
5. The hostel, we've stayed at several times,.... is simple but clean.
6. I sometimes go and study in my local park,.... I can get some fresh air.
7. Winter, temperatures are lower,....... sees higher rainfall.
8. They went to a concert at the new arena,...... was built last year.