It is the prevention of disease ________ its successful treatments that has led to the rapid increase of the world’s population.
She says that she’ll have to close the shop ________ business improves.
Mother always complains that children _______ their shoes very quickly.
There are a small number of people involved, possiblytwenty.
Only when he apologizes for his rudenessto him again.
What a terrible experience! ________, you’re safe now ------ that’s the main thing.