Помогите с английским, пожалуйста! Выберите правильную форму глагола

Выберите правильную форму глагола
1. The Queen of England ...by Guards in sentry boxes outside Buckingham Palace.
a) are protected b) protects c) is protected
2. London ...on the river Thames.
a) is situated b) situate c) situated
3. Thousands of tourists ...the Tower of London every year.
a) visit b) are visited c) are visiting
4. Great Britain ...by the North Sea.
a) washes b) is washed c) washed
5. The White Tower ...between 1078 and 1098.
a) was built b) build c) is being built
6. Windsor Castle is the largest castle in the world that ...in.
a) is lived b) is living c) lives
7. Trafalgar Square ...as a meeting place for rallies.
a) use b) is used c) is using
8. The Prime Minister of England and his Government ...matters of state at the Houses of Parliament.
a) is discussed b) discuss c) are discussed
9. Big Ben is the name of the huge bell that ...the hours in the clock tower of the Houses of Parliament.
a) is struck b) strikes c) was struck
10. Piccadilly Circus ...once as the centre of the British Empire.
a) was known b) knew c) are known

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She kept the list in the little red book last time.