She ________ on her work so much that she didn’t notice that a crowd of people had _______around her.
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.