Certain courses are compulsory; others are optional.

It's too far to ride to your grandmother's; you'd better take the bus.

He inherited a lucrative business from his father.

The speaker likes to have an attentive audience.

A chronic lack of sleep may make us irritable and reduces our motivation to work.

One in seven accidents is caused by sleepy drivers.

Nutritionists believe that vitamins circumvent diseases.

Due to an increase in population and the use of nearby land for farming, there are toxic levels of chemicals in the water.

This wine is so sweet that I couldn’t drink the second glass.

When the bank refused to lend us any more money we realized we'd reached the end of the road.

Golf wear has become a very lucrative business for both the manufacturers and golf stars.

Rapid run-off would cause frequent floods and leave little water during fry seasons.

Synthetic products are made from chemicals or artificial substances.

You can slide the front seats forward if necessary.

That draught is too much for my horse to pull.

China has become the third country in the world which can independently carried out the manned space activities.

In some Asian coutries, it is customary for people to worship their ancestors.

With her sophiscated tastes, the singer has become an omnipresent icon of style and beauty.

If any employee knowingly breaks the terms of this contract, he will be dismissed immediately.

Her father likes the head cabbage rare.

My suitcases are so heavy.