Beijing's hotel industry is gearing up（快速发展）to serve the 2008 Olympic Games. Seven five-star hotels signed an Olympic Lodging（住宿）Agreement with Beijing Organizing Committee for the 2008 Olympic Games（BOCOG）.

The seven hotels include Beijing Hotel, China World Hotel, Grand Hotel Beijing, Hong Kong Macao Center Swiss Hotel, Beijing International Hotel, Kunlun Hotel and Crowne Plaza View Wuzhou Beijing.

　　According to the Olympic Lodging Agreement, the seven hotels will provide（提供）accommodation to accredited（官方派出的）people from the Olympic Family, the sponsors（赞助商）and the media（媒体）. At the time of the 2008 Games, the seven hotels are to keep a total of over 3,500 rooms available to BOCOG.

　　In line with the Olympic Charter and the Host City Contract, BOCOG will have to provide 22,000 suitable hotel rooms for accredited people during the Games period, BOCOG is expected to sign the same agreement with some 70 more star hotels this year to ensure（确保）that a total of 23,000 hotel rooms will be made available during the Games.

(1) BOCOG is trying to find ________ for the Olympic Games.

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(2) The seven hotels have ________ 3,500 available rooms in all.

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(3) At least ________ more rooms are being looked for by BOCOG.

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(4) From the text we know that BOCOG ________ for the 2008 Games.

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(5) The prepared rooms are not for ________.

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