где нужно поставить the, а где не нужно? Do you know ____ Wilsons? They’re a very friendly family. The writer visited

1) Do you know the Wilsons? They’re a very friendly family. 2) The writer visited Canada and the USA. 3) Europe is smaller than Africa. 4) The Pacific Ocean is the biggest ocean in the world. 5) London is famous for the Houses of Parliament, Westminster Abbey, Tower Bridge, the British Museum and the Tower of London. 6) Have you ever been to Kremlin? 7) My pen friend lives in Trumpington Street, in Cambridge. 8) It was the first visit to the United Kingdom.