I was not ________ tired and couldn't go any further.

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It's one thing to make a promise, but it is quite ________ to carry it out.

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I will never know what was on his mind at the time, nor will ________.

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Our ________ teacher is doing a ________ experiment.

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There are two ________ on the desk.

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She decided to go to the USA ________ way of Japan.

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Animals do not talk with words. They use smells, sounds and movements to communicate with ________ animal.

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We need to develop our imagination and ________ art ________ our teaching.

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The writer has ________ unique style.

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As we all know, we should pay much attention ________ people's living conditions.

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