23．Was it ______ Expo 2010 that made Shanghai the focus of the world then? A．hosted　　　　　　　　 B．to be hosted　　　　 C．hosting　　　　　　　　 D．having hosted

22．-What was his performance like?

　　　 -Oh, it couldn’t have been___．

　　　 A．less wonderful　　　　　　　　　 　 B．more wonderful

　　　 C．much wonderful　　　　　　　　　 　 D．the most wonderful

21．Biarni was hoping to join his father who was with Eric, but he was blown off course and found himself in an unknown land, ______ he eventually reached Greenland．

　　　 A．from how　　　 B from where　　 　　 C．from which　　 　 D．from when

20．All the doctors in the hospital insisted that he_____ badly wounded and that he______ at once． A．should be; be operated on　　　　　 　　 B．were; must be operated on C．was; should be operated　　　　　 　　 D．was; be operated on

19．Over the past decades, mountain ice______ in the Himalayas as a result of global warming．

　 　 A．has been decreasing　　　　　　　 　 B．had decreased 　　

　　　 C．decreased　　　　　　　　　　　 　 D．is decreasing

18．To our surprise, the fashionable young lady ________ to be a thief． A．found out　　　　　　 B．proved out　　 　 C．put out　　 　　　 D．turned out

17．I still remember the days___ I spent ______ with you in Beijing．

　 　 A．when; staying　　 　　　　　　　　　　　　　　　 B．what; to stay　 　

　　　 C．that; staying　 　　　　　　　　　　　　　　　　　 D．during; to stay

16．In the face of _____ failure, it is vital that we should keep up _____ good state of mind．

　　　 A．a; /　　　　　　　　　　 B．/; a　　　　　　　　　　　 C．the; /　　　　　　　　　 D．/; the