We used to go to the mountain village for holidays year ________ year.

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If you go into the field and ________ a few big stones, you may discover a city of ant “people”.

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No weather is ill, ________ the wind be still.

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The temperature ________ with computers, no matter how the weather is outside.

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Fertilization is a technique that is used ________ poor soil better.

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The term will soon be over. She must ________ her exam.

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－What do you think of the Lord of Ring?

－Oh, excellent. It's worth ________ a second time.

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________ the years go by, music grows and changes and is making our lives more colorful.

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The football match was ________ because of the bad weather.

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________ the end of the football match, Tom kicked another goal.

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