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

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

Passengers are required to arrive to the gate fifteen minutes before departure time.

Before went abroad, he had finished his English course at the English-speaking Center.

These snakes will not cause you any serious harm. They are harmful.

Despite America’s affluence, many people are without jobs, on welfare, and have a lot of debts.

Some of my friends are good at English while other are good at Mathematics.

The earth is the only planet with a large number of oxygen in its atmosphere.

When many of my friends take a shower in the morning, I usually take one before bed.

It is time the government do something to help the unemployed to find some jobs.

The man for who the police are looking robbed the bank yesterday.

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

He said that he has done his homework since 7 o'clock.

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

John announced that he could not longer tolerate the conditions of the contract under which he was working.

Students suppose to read all the questions carefully and find out the answers to them.

I was very busy lately since the project of designing the new collection started.

Optimists believe that in future we will be living in a cleaner environment, breathing fresher air and eat healthier food.

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

More Asian students than American counterparts agree that a husband is obliged tell his wife where he has been if he comes home late.

My mother doesn’t care how much does the washing machine cost because she is going to buy it anyway.