Jade is the highest award in Chinese culture and medals are the most important prize in Olympics, so medals with jade is the perfect _________ to present the Olympics in Beijing.
If it was not an accident, he must have done it ___________.
Everyone will have to ______ a test before they are admitted to the university.
Please ___ the money and I’m sure it will ___ more than 1,000 yuan.
The teachers were always trying to ______ the excited students at that time.
I thought she was African, but ______ she’s Spanish.