--Which side of the boat can I sit on?

--If you sit still, you can sit on ________.

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--Are you satisfied with the result?

--Not at all. It couldn't be ________.

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We played better, ________.

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The new bridge is ________ the one built last year.

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It is none of your business ________ other people think about you. Believe yourself.

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We all know that, ________, the situation will get worse.

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________ much is known about the surface of Mars, what happened during a long time remains unknown.

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Pollution should be stopped ________ the environment.

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--Were you busy last weekend?

--Very. Rather than ________ time playing cards as usual. I devoted every effort to ________ an advertisement.

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--Would you mind ________ to the town ________ you visited last month?

--Of course not.

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