It's no use ________ over the spilt milk.

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________ is a good form of exercise for both the old and young.

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________ pity on the snake led to his own death.

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________ appeared to me that he enjoyed the food very much.

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________ happened that Mary knew the stranger.

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In fact ________ is a hard job for the police to keep order in an important football match.

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In that case, there's nothing you can do ________ than wait.

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The number of the students is ________ 60.

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They climbed across the mountain ________ snow.

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--Excuse me. Is this the right way to the Central Park?

--Sorry, I'm not sure. But it ________ be.

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