【单选题】【消耗次数：1】
招标人和中标人应当自中标通知书发出之日起（ ）日内，按照招标文件和中标人的投标文件订立书面合同。
①
15
②
30
③
45
④
60
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to be buying
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Having plenty of time, ____.
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we needn’t to have hurried
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there was no need for us to hurry
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we didn’t need to hurry
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hurrying was not necessary
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Today, however, some new skyscrapers ____ up from the ground in long, wide, and curves.
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make
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achieve
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require
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develop
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Waiter: ___Customer: No, thank you. I have already known what to order.
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Do you like this kind of dishes?
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You are welcome to our restaurant. Take seat, please.
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changing ?
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to change ?
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We have studied English for only one year, ____ we can perform English short play already.?
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leading
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