I really don’t know how to thank you , but for your help, I ______ my lost necklace．
| A．couldn’t have found | B．mustn’t have found |
| C．couldn’t find | D．wouldn’t find |
Our new school was built in a beautiful place, around _____ high mountains.
| A．which was | B．it was | C．which were | D．them were |
.World Expo 2010 Shanghai China, a grand-scale global event, has ______ the significant theme “Better City, Better Life.”
| A．abandoned | B．adopted | C．advocated | D．adapted |
.It was the practice _____ he got abroad _____ made him a good English speaker.
| A．what; that | B．that; that | C．that; which | D．which; that |
.—What _____ this time tomorrow morning?
—Er…, I’m not sure for the moment.
| A．will you do | B．will you be doing |
| C．are you to do | D．are you going to do |
.No important progress was made in the UN Climate Conference in Copenhagen as ______ of the rich countries agreed to offer large amounts of money to fight global warming.
| A．nothing | B．none | C．neither | D．both |