According to China's Food Safety Law, ______________ in February 2009, the State Council established the Food Safety Committee to oversee a chain of departments.
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He was generous with his time, ______ I was grateful..
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Barack Obama delivered a speech to 500 local youths during his visit to China, many of     were from Fudan University and Tongji University.
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By 16:30, ______was almost closing time, nearly all the paintings had been sold.
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Jennifer is always absent from school£¬£ß£ßI suppose is why she is blamed now and then.
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There is a big garden in the neighborhood, ______ actually has become a good place for people to meet and communicate.
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With the help of the collected money, subways can be built sooner and better, _______ brings convenience to citizens.
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I have bought two ball pens, _____ writes well.
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______ surprised us most was that with all his money, he _______ worry about a little thing like 5 cents.
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