Wang Wei is one of many Chinese students _______ “on the go”.

Is there anything about your high school life you wish you’d done differently? —- I regret that I ______ earlier what I really like doing

Recently we held a discussion about what we shall use for power when all the oil in the world has _________

After two years’ research, we now have a ____ better understanding of the disease.

29．Someone________his car in front of my house and it is blocking my driveway