He will pay a visit to China ________ next year.

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Every few ________ there was a guard standing straight.

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We know that he was staying in ________ in that hotel.

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This dictionary is of ________ to the students of English.

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What ________ flowers do you like best?

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－What would you like, sir?

－________.

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It is not rare in ________ that people in ________ fifties are going to university for further education.

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－No one ________ in such easy work.

－Don't be so sure.

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________ the villagers led ten years ago!

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－Since you are free now, may I ask ________?

－Yes, of course.

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