Guangzhou Evergrande has raised China's hunger for soccer glory ever since the year 2013 ______ a series of its victories over other teams in and abroad China. 

Your desk is covered with too many unnecessary things, including used papers and books. You’d better ________ some of them. 

The first few years in the 21st century ______ the rapid rise of China as a world economic power.

Not having finished his homework, ______ to watch TV.

-Is your mother a doctor in Qilu Clinic? –No!But she        there for ten years.