His research resulted ________ the development of agricultural production.

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He promised to work as hard as he ________.

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I didn't reach the station ________ the train had left.

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That film star is very popular ________ the young people.

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The girl who ________ at the meeting is my best friend.

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It's time you got down to ________ or other students will leave you behind!

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The child was sent ________ some milk.

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The club will ________ its monthly meeting next Monday.

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Some of the boys are climbing the hill, the rest ________ playing games.

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You must ________the disappearance of these keys to the hotel manager.

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