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The new president said she would______herself to protecting the rights of the old and the homeless, who are otherwise helpless and vulnerable.

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Cell phone conversations, which are fairly______on commuter trains, can be annoying to fellow commuters.

Ask your doctor whether a low-fat diet and a daily walk will______to reduce your high blood pressure.

The______from tourism is the biggest single contribution to GDP in the Maldives; every year many tourists from all corners of the world spend their holidays there.

Since the beginning of this century, China has built many modern conference centers with underground parking, air-conditioning and______translation systems.

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