Put in the if necessary. do you know wilsons? they’re a very friendly family. the writer visited canada and usa. kilimanjaro is highest mountain in africa. is on thames. europe is smaller than africa. pacific (тихий) ocean is biggest ocean in world. london is famous for houses of parliament, westminster abbey, tower bridge, british museum and tower of london. have you ever been to kremlin? my pen friend lives in trumpington street, in . it was first visit to united kingdom.

Do you know the Wilsons? They’re a very friendly family. (Семья Вилсонов- с артиклем the)

The writer visited _ Canada (названия стран без артикля) and the USA (ставим артикль, т.к. в названии страны есть нарицательное существительное state)

Kilimanjaro is the  highest (превосходная степень прилагательного - с артиклем the) mountain in _ Africa  (названия стран без артикля) .

_London (названия стран без артикля) is on the Thames (названия рек, морей, озер, океанов - с артиклем the) .

_ Europe is smaller than _ Africa. (с названиями стран  и континентов артикль не ставится)

The Pacific (Тихий) Ocean is the biggest ocean in the world.

London is famous for the Houses of Parliament, _ Westminster Abbey,

_ Tower Bridge, the British Museum and the Tower of London.

Have you ever been to the Kremlin?

My pen friend lives in _ Trumpington Street, in _Cambridge. (с названиями улиц и городов артикль не ставится)

It was the first (порядковое числительное) visit to the United Kingdom (ставим артикль, т.к. в названии страны есть нарицательное существительное kingdom).