They have ______ a plan for reducing the budget deficit(财政赤字), which is quite practical.

The police ________ the lost child and tried to find his parents.

It is not profitable to provide busservices in districts where the population is widely _____.

The school children are walking along the country road, ________ a small red cap.

Many social workers went to Ya’an to help clean water and food to local people to reduce their pain from the earthquake.