As we know, the Chinese government will devote more efforts intellectual property rights.
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?