Experts believe people can waste less food by shopping only when it is necessary.
As soon as the gate was opened, the people around me rushed into the supermarket and I got __________ from my mother.
The government __________ air quality in urban areas from level one to five : excellent,fairly good, slightly polluted, poor and dangerous.
I got __________ from my classmates when climbing the hill.
The teacher __________ his students __________ five groups.
The police are trying to find out the __________ of the woman killed in the traffic accident.