country, ________ Britain,it has been said, can one experience four seasons in the course of a singleday

people to lose their lives．

Are you pleased _____the food here— Yes, I have got used _____ the life here.

_________ of the girls in our school had better achieve a balance between work and play.

There are several theories about why dinosaurs suddenly died out, one of which says their disappearance _______ by the climate change.