The use of an alcohol breath test by the police greatly reduces the ____of drivers causing traffic accidents.
The old lady treats the boy as if he __________ her own child.
___________ in thought, he almost ran into the car in front of him
The young dancers looked so charming in their beautiful clothes that we took __________ pictures of them.
---What are the police doing? ---They are _________the mountain ___________ the escaped prisoner.
_________ to the efforts by the headmaster, I can go back to school now.