Theory is based on practice and ________ turn serves ________.

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He kept looking at her, wondering whether he ________ her somewhere.

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－Good－bye! And give my ________ to your parents.

－Thank you. I will.

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_____ him and then try to copy what he　does.

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A．Mind　　　　B．Glance at

C．Stare at　　　D．Watch

Rather than ________ on a crowded bus, he always prefers ________ a bicycle.

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When did you have the letter ________?

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This kind of animal is ________ in summer while ________ in winter.

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I remember ________ this used to be a quiet village.

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I really appreciate ________ to relax with you on this nice island.

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The book is ________.

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