Perseverance is a kind of quality and that's _______ it takes to do anything well.

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Our bodies are strengthened by taking exercises. ________, our minds are developed by learning.

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In dealing with public relations，we should make every effort to prevent the ________ in personality.

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As we joined the big crowd I got ________ from my friends.

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“I'm sorry I stepped outside for a smoke. I was very tired.”

“There is no _______ for this while you are on duty.”

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After much _______, the shop owner agreed to cut down the price by 20％.

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“Alice, why didn't you come yesterday?”

“I_______, but I had an unexpected visitor.”

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_______ you do should not go against your country.

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The government _______ the diplomatic note from Japan for its unclear attitude to the trade between two countries.

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Even before quite a few people, she can't _______the courage to speak aloud.

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