It is very difficult for her to prevent him for smoking in her house.

My father asked me where had I gone the night before.

In a federal form of government like that of the United States, power is divided between the legislative, executive, and judicial branches.

Parks which are found in downtown areas where office workers and store employees can enjoy their lunch hours sitting on the green grass in clean, fresh air.

I can’t go out tonight because I have too many work to do.

English is speaking in many countries in the world.

The Greek historian Herodotus reported that one hundred thousand men are employed for twenty years to build the Great Pyramid at Gizeh.

For thousands of years, man has created sweet-smelling substances from wood, herbs and flowers and using them for perfumes or medicine.

Mary and her sister just bought two new winters coats at the clearance sale.

Minh Hanh, who is one of the most famous fashion designers in Vietnam, are preparing for a new show.

Once you have finished an article and identified its main ideas, it may not be necessary to reread it again.

In the end of the party, Mary found herself washing the dishes alone again, as usual.

Building thousands of years ago, the ancient palace is popular with modern tourists.

In today's competitive markets, even small businesses had better to advertise on TV and radio in order to gain a share of the market.

After spending two days arguing about where to go for their holidays, is was decided that they shouldn’t go anywhere.

Ecologists are trying to preserve our environment for future generations by protecting the ozone layer, purifying the air, and have planted the trees that have been cut down.

Oxygen plays a important role in maintaining live.

To everyone's surprise, it wasn't in Bristol which he made his fortune, although that’s where he was born.

Had it not been for you help me, I wouldn't have succeeded.

If I could speak two languages last years, I would have got a good job.

The Oxford English Dictionary is well known for including many different meanings of words and to give real examples.