7.The scientists are worried about the__________(extinct) of the whale.

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8.在炎熱的夏天,牛奶如果不被冷藏,它很快就會(huì)變質(zhì)。

In hot summer,milk quickly turns sour __________________.

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1.Development of the area would __________(危害) wildlife.

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5.Having lost their land,the villagers had to s__________ for survival.

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3.老師走進(jìn)教室時(shí),學(xué)生們假裝正在讀書(shū)。

When the teacher went into the classroom,the pupils __________.

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4.When the fighting started,police and reporters were soon __________the spot.

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5.Thank you for your encouragement,without__________ I wouldn't have succeeded.

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2.This is the car __________ which I paid $ 30,000.

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4.Don't worry. There will be a    (lively) TV report of tonight's football match and we can enjoy it together.

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