--Will you go to the cinema with me this evening?

--I'd love to, but I have ________ work to do this evening.

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It is considered no good ________ without understanding.

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It is well understood ________ controls the flow of carbon dioxide in and out the atmosphere today.

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Though he was badly hurt, the driver ________ to get out of the car and ________ help.

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________ from the moon, our earth with water ________ seventy percent of its surface, appears as a“blue ball”.

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Although Peter is clever, ________ work hard.

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At the ________ news, the ________ boy couldn't move or cry.

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--What's the number of people ________ the election?

--If you put the four parts together, it reaches 100000 ________.

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The little boy stands ________ to his father, and listens ________ with great interest.

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There is a new problem involved in the popularity of private cars ________ road conditions need ________.

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