___ the police three months to recover the stolen things.
In general, the old man is generous. But ____, he was mean to an old beggar.
He was left _____, with no one ____ after him.
The reporters have found out ____ it was _____ saved the little girl.
The experts are trying to find ways of ____ the animals in danger.
Tom, as well as the other children who ____ no parents, ____ good care of in our country.