例句： Italy is in the south of Europe.

例句： Salt water is more buoyant than fresh water.

例句： The headmaster gave the boys a scolding.

例句： The sheets have worn thin in the middle.

例句： We can infer that his motive in publishing the diary was less than honorable.

例句： Flowers brighten( up) a room.

例句： We have a growing population and therefore we need more food.

例句： There are telephone extensions in every office.

例句： the point of a knife; the point of the antenna.

例句： She is an interesting person but her husband is a real nothing.