The idea of a balanced diet is very difficult to _____ anyone who knows nothing

The idea of a balanced diet is very difficult to _____ anyone who knows nothing about food values.

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They had the appearance of dark-skinned and dark-haired humans, _____ of course

They had the appearance of dark-skinned and dark-haired humans, _____ of course they were much small

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A person’s attention is attracted _____ by the intensity of different signals as

A person’s attention is attracted _____ by the intensity of different signals as by their context, s

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In order to meet the steady demand of the market, the factory has turned out ___

In order to meet the steady demand of the market, the factory has turned out _____

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Children who stay away from school do _____ for different reasons.

Children who stay away from school do _____ for different reasons.

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