It is clear that the train is traveling ________.

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________ she couldn't understand was ________ fewer and fewer students showed interest in her lessons.

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These stones were not interesting at all, ________ he had already.

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I didn't know ________ she found wrong with him.

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The heavy table was said ________ very special wood.

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－I heard that he was staying in New York and he ________ there.

－________ him my regards when you meet him there.

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________ you have begun, you must keep it up.

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________ you have missed your turn, you'll have to wait for the next round.

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Given these conditions, there will not be ________ room left in one's brain for ________ rational (理智) thought.

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Most of the large land areas are connected ________ one another.

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