My friend is ________ for Beijing next week, and I'm going to ________ her off at the airport.

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Don't get off the bus until it ________.

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We were told that we should follow the main road ________ we reached the central railway station.

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________ with the size of the whole earth, the biggest ocean does not seem big at all.

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-- I think George doesn't really care for TV plays.

-- Right, ________ he still watches the program.

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Jasmine was holidaying with her family in a wild life park ________ she was bitten on the leg by a lion.

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According to a recent U.S. survey, children spend up to 25 hours a week ________ TV.

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You must do the experiment ________ the teacher told you to.

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The most important thing about cotton in history is ________ part that it played in ________ Industrial Revolution.

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________ I accept that he is not perfect, I do actually like the person.

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