помогите пожалуйста вот задание

Put in the if necessary.

вот    примеры:

1) The writer  visited ____   Canada and  _____  USA.

2) Kilimanjaro is ____  on _____ Thames.

3) _____ London is on _____  Thames.

4)_____ Europe is smaller  than _____ Africa.

5) _____  Pacific  Ocean is _____ biggest  ocean in _____ world/

6) London  is famous  for ____ Houses of Parliament , _____ Westminster Abbey, ____ Tower  Bridge,_____ British  Museum and _____ Tower of London. 

7) Have you  ever been to ____ Kremin?

8) My pen friend  lives in ____ Trumpington Streer, in ____ Cambridger.

9) It was  her ____   first  visit to ____ United Kingdom.