He considered it ________ honour to be invited to ________ evening party.

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In Nanjing we visited the house ________ Comrade Zhou Enlai used to work.

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All the slaves ________ set free ________ the American Civil War ended.

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Inside the temple is a row of stone figures, _______ face the rising sun.

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A. whose   B. which   C. whom   D. that

Mr Zhao ________ in our school ever since 1982.

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We all think ________ our duty to help whoever are weak in their studies.

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My sister bought a red sweater _________my white skirt.

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It' s impossible for the students ________ the text in five minutes.

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That's easier________ than ________.

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________ is very necessary ________ us to help one another.

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