passion, people won’t have the motivation or the joy necessary for creative thinking

Professor Zhang Cunhao and Professor Cheng Kaijia________China’s top science award by Mr President Xi Jinping on 10 January,2014.

____ catch the first bus, she got up earlier that morning

to sell his luxury car, ________ his company was in debt.

People that lived in the mountains didn’t have wells in the past, so they had to ______ water from a stream far away.