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Many scientists continue to _______ against the use of animals in laboratory experiments.

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The spread of the internet and international trade are key features of _______.

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_______ we urgently need is a global agreement to reduce carbon emissions.

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If we don’t act soon, the planet will become _______ populated, putting pressure on food and water supplies.

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One _______ I can’t stand is all the litter outside fast food restaurants.

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Many forests were destroyed, so animals are losing their homes now.

→ If humans _______ so many forests, wild animals _______ their homes now.

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Many people lost their jobs during the economic crisis, leading to a rise in _______.

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Many people today try to live in a(n) _______connected world where technology connects everyone instantly.