Paper money was in___use in China when Marco Polo visited the country in___thirteenth century.
I admired my classmate Lisa very much.___ her prettiness, she was smart and helpful.
_____ we can see, we can’t get very far in this project without her help.
Try ____ she might, Sue couldn’t get the door open.
More than one company ___ the new design to market only to see it quickly denied by those who couldn’t wear them.
During our stay in London, the guide book ___ a great help. We all had a wonderful time. A. behaved B conducted C. served D. proved