问答题

It is high time that ______(政府就食品安全问题制定严厉的法规).

【参考答案】

the government formulated severe laws and regulations on foo......

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热门试题

单项选择题

Virgin America is singled out in the passage to show that （）.

A. some airlines are unbundling ticket prices for profits
B. passengers are not happy with their practice
C. some airlines provide customers with clear policies
D. some airlines provide passengers with extra service

填空题

40（）