体坛资讯：Federer into French Open final as Davydenko nerve fails
国内英语资讯:G20 warns of risks hurting global economy, financial markets
体坛资讯：Runners get compensation from coach
四级听力技巧之把握条件句
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国内英语资讯:Chinese premier to meet leaders of Portuguese-speaking countries in Macao
过去时还可以表示将来时间
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体坛资讯：Chinese gymnast Wang on track of sentience recovery
体坛资讯：Yi among few global prospects to stay in NBA Draft pool