30．More countries cooperating with each other to reform the financial markets, economic recovery is just　　　 ．

　　　 A．on the corner　 　 B．in the corner 　　　 C．at the corner 　　　 D．around the corner

29．Beijing，the host city of the 2008 Olympic Games，saw its 246th blue sky in 2007， 　　　

fulfilling its annual target of 245 by just one day more．

　　　 A．hardly　　 　　　　　 B．narrowly　　 　　　 C．formally　 　　　　 D．scarcely

28．It's quite　　 of beginners to forget to use an article before a noun．

　　　 A．ordinary　　 　　　 B．usual　　 　　　　　　 C．typical　 　　　　　 D．general

27．The incident 　　　a chain of events which results in the outbreak of World War I．

　　　 A．set off　　 　　　　　 B．set aside　　 　　　 C．set about　 　　　　 D．set down