________seems to be a strong competition in China for senior high students to enter universities does exist in other countries as well.
The single most important factor ____ contributes to success is _____ you do every single day.
Most of the professors _____ to our school were from South Africa.
They all looked ____ at the master and felt quite _____.
Food prices are climbing around the world because farmers can't ____ demand for grain.
——Shall we go skating or stay at home?—— Which _____ do yourself?