III. Choose the word that best fits the blank space in the following passage. (1.5 pts)

London Parks
London is famous (17) ___________ its parks and gardens. Some of them belong to the Crown but they are all open to the public and the entrance is free of charge. In St James’s Park you can watch and (18) ___________ swans, ducks, geese and other water birds. Hyde Park (19) ___________ to be hunting ground and is still popular with horse riders.
Those who like a good argument should go to the Speakers’ Corner to listen to individuals giving their speeches on (20) ___________ subjects. Regent’s Park now houses London Zoo and an open-air theatre where Shakespeare’s plays are staged in summer. Not (21) ___________ the parks are in the city centre. Greenwich and Richmond are located in the suburbs. All these areas of green give the city dwellers an excellent (22) ___________ to enjoy some peace and quiet away from traffic and crowded streets.
(https://www.englishreavealed.co.uk/PET/Reading_Part_5/pet_multiple_choice_cloze_1.php)