She is lucky enough for me to envy, ________ with so many people around taking good care of her.

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Unfortunately he fell over some bricks ________ lying on the ground.

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________ seeing her child take his first steps, the mother was joyful.

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As is known to all, an object ________ 6 kilograms on our earth ________ 1 kilogram on the moon.

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________ by the response of the students, I made an effective speech.

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I don't know whether he will arrive soon, but if he ________,I will ask him to help you.

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As he demonstrated his invention, everyone was ________ was amazed that it actually worked.

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All these changes will lead to ________ stronger and powerful China, ________ country that can surprise and enrich our planet.

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All the students are ________ the desks writing a composition.

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Today in Britain, for example, about four hundred people a day ________ heart disease.

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