the British museum is the most famous museum

the British museum is the most famous museum

London,Frog City,is the capital of London,which is located in the northeast plain of England.
It is an old-line city with many historic intersts and world famous buildings.
The most beautiful bridge in London is the London Tower Bridge which attracts large amount of visitors from home and abroad.
The British museum is the largest museum in the world, which collect a lot of cultural relics of Britain and many other countries.
The natural landscape of Britain is also very beautiful. I hope I can visit there someday.

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the British museum is the most famous of museums

按照句子的意思应该是单数，因为“the British museum is the most famous museum“意思为British museum是（唯一的）最为著名的博物馆。如果想要表示British museum是著名博物馆之一，句子则需要改为“the British museum is one of the most famous museums"