Exercise 1
It says that the number of students is becoming a big problem. The organization claims that the number of homes rented by students in residential and family has increased dramatically. They claim it is, in most cases, above that the limit set by the local authorities. The students have lots of noisy parties and play loud music at night. It is a big problem.
Exercise 2
Who are, which was, which was, who was, who was, who are
Exercise 3
1. The Canaletto painting stolen last week has been found.
2. Bags left unattended will be removed.
3. Whose is the coffee’s on the table?
4. Anyone finishes in the top three gets a medal.
5. Who’s the girl’s eating the ice cream over there?
6. We stayed in a hotel overlooking the main square.
7. Students going on the school trip need to be at school at 6.30.
8. Who’s the girl standing next to the door?
9. There are five students in my school study Russian
10. There’s a car parked in front of the gates.

Exercise 4
1. the Leaning Tower of Pisa is a 12th-century bell tower leaning to one side.
2. St Basil’s cathedral is a multi-coloured cathedral in Red Square in Moscow.
3. Christ the Redeemer is a statue of Christ overlooking Rio de Janeiro.
4. The Taj Mahal is domed tomb standing to the Yamuna river in Agra, India.
5. Macchu Picchu is a ruined city high in the Andes in Peru. It was discovered in 1908.

Exercise 5
Living, pretended, whatching, stolen, valued, working, obsessed, importing.