13. Read the text and complete the gaps with the correct form of the verb TO BE. Thanks to its many cultural treasures, London (1)..... a city to visit. The British Museum (2)...the oldest museum in the world. There (4)..... 90 galleries in the museum. There (6)..... objects from Asia, Rome, Greece and Egypt. The entrance (7).... free and the museum (8)....... open every day. The museum (9)...... close to Tottenham Court Road and Holborn underground stations. There (10)...... also some bus routes which pass the museum.