Against ____advice from his friends, he insisted ____alone at the rush hour.
The traditional view is ________ we sleep because our brain is “programmed” to make us do so.
The door burst open and ________,shouting with anger.
Fog ________ the train timetable.
________ we go swimming every day ________ us a lot of good.
A clean environment can help the city bid for the Olympics,which ________ will promote its economic development.