The World Bank has warned that rising food prices are pushing ________ people below poverty line (贫困线).
The doctors did what they could _____ the dying man.
--- Where is Mr. Lee at the moment? --- He _____ chess with his neighbour, but I’m not sure.
In order _______ late, many students get up very early every morning.
We should spend ______ money solving ______ problems.
Would you please _____ the children ______ with snakes?