Choose the best word or phrases to complete the following sentences:

Oil, natural gas, and coal are________fuels.

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The city has been gradually expanding the paths and has been promoting itself as a walkable and ..................community.

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If you want to raise rents, you have to_____the housing first.

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We are at different stages in this development, and it is important not to become______over this.

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When we know our background and history, then we will also be able to build a (an)   _____ future

Find out the ANTONYM of the underlined word from the options below.

The high-speed train link is responsible for one of the biggest urban regeneration projects in the area.

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The_____has been destroyed: roads, hospitals, universities, nurseries, schools, businesses.