He was said ________ to the important meeting.

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Mr. White refused to ________ the flowers from her friend.

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________ department stores in Beijing is still increasing.

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Sally ________ to attend the meeting on time but she failed.

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Do you think ________ necessary for you to recite the whole text?

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We should not pretend to know ________ we don't know.

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Tobacco is ________ kind of plant ________ grows in tropical countries.

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His father ________ an explanation of what he had done.

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________ what he had ________ other's, he was always unsatisfied.

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He kept looking at the map, wondering ________.

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