Find the mistake.

They had a discussion about training not only the new employees but also giving them some challenges.

Find the mistake.

The Oscars award ceremony is one of the famous ceremonies in the world, and is watched lively on TV in over 200 countries.

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Will: How has your town changed for the last ten years?

Mike: ___________.

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Regular radio broadcasting to inform and entertain the general public started in _______ 1920s.

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The series became so popular that it was moved to the _______ time spot of 8pm.

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Social media ______ is one of the social issues that many people are concerned about.

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Some parents are worried about their children’s ______ when they go online too much but rarely communicate with their parents face-to-face.