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.

Unless there had been a heavy storm, the climbers will not have died.

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

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

Neither William or his brother stole the rambutans from our orchard.

The office manager insists that his staff use all of their vacation time, but he hardly never takes a vacation himself.

Mercury and alcohol are widely used in thermometers because their volume increases uniform with temperature.

The puppy stood up slowly, wagged its tail, blinking its eyes, and barked.

Although caffeine is a moderately habit-forming drug, coffee is not regarded as harmfully to the average healthy adult.

Each of the members of the group were made to write a report every week.

It is important that cancer is diagnosed and treated as early as possible in order to assure a successful cure.

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.

A warning printed on a makeshift lifebuoy says: “This is not a life-saving device. Children should be accompany by their parents.”

Proteins are made up of folded irregularly chains, the links of which are amino acids.

Looking from afar, the village resembles a small green spot dotted with tiny fireballs.

The deadbolt is the best lock for entry doors because it is not only inexpensive but installation is easy.

Little have people done to alleviate the sea pollution caused by the factories in central Vietnam, haven’t they?

The chief of police demanded from his assistants an orderly investigation, a well-written report, and that they work hard.

Would you mind showing me how working the lift?

Most of the houses on the street was built in the previous century.

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