II.单项填空(共15小题;每小题1分,满分15分)21.The news came to us as _______ great surprise that he had turned __________ writer. A a; a B a; / C. /; a D. /; /
After the party, I found my necklace _____.
I’ve promised to attend your party and I’ll ______ my word.
The classroom is so dirty. _________ we clean it?
Was it in the village___ we used to live in____ the accident happened ?
Over the past decades, sea ice _____ in the Arctic as a result of global warming.