When and where to build the new factory ________ yet.

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Plants need air to keep ________ and stay ________.

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________ a machine is quite different from ________ a patient.

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You can eat ________ in my restaurant. That's to say, you need not ________ for it.

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The ________ boy was last seen ________ near the lake.

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The flower ________ sweet but ________ medicine.

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The roof fell ________ we had time to rush into the house to save the old lady in bed.

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European football is played in 80 countries, ________ it the most popular sport in the world.

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Mary had so ________ money that she couldn't afford to buy ________ present for his son.

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When I handed the report to Tom, he said that John was the very person ________.

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