20．---$ 500, but this is my last offer． ---OK, it is a ． A．cost B．price C．rewar——青夏教育精英家教网——

20．---$ 500, but this is my last offer．　　　

---OK, it is a __________．

　 A．cost　　　　　　 B．price　　　　　 C．reward　　　　　　 D．deal

19．The news is made ________ to everyone throughout the world that our Chinese athletes have won 5 gold medals in the Winter Olympics．

　 A．be known　　　　　　　 B．to be known　　　 C．to know　　　　　　　 D．known

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