Choose the best answer.

This city has the most ________ underground rail networks in the world.

Complete these sentences with the correct form of the verbs given.

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The government introduced tougher _______ to preserve historical sites around the city.

II. Choose the word which has the underlined part pronounced differently from the rest.

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The scenery is breathtaking when viewed from the mountain top. It feels like your breath is being taken away.

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A ______ is a castle on high ground in or near a city, where people could go when the city was being attacked.

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_______ that two people had been injured in the accident.