1) The writer visited Canada and the USA.
2) Kilimanjaro is the highest mountain in Africa (?)
3) London is on the Thames.
4) Europe is smaller than Africa.
5) The Pacific Ocean is the biggest ocean in the world.
6) London is famous for the Houses of Parliament , Westminster Abbey, Tower Bridge, the British Museum and the Tower of London.
7) Have you ever been to the Kremlin?
8) My pen friend lives in Trumpington Street, in Cambridge.
9) It was her first visit to the United Kingdom.