Dinosaurs became extinct millions of years ago because of the earth's climate changed drastically.

Could you tell me how can I get to the city library, please?

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

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

Has the government made a decide to ban the use of chemical weapon yet?

In very early times, people around the fire were entertained by storytellers with stories of heroes’ wonderful actions and victory.

Please tell us the reason when he left without saying goodbye.

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

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

People in every part of the world readily and easily communicates by means of electronic mail.

The governor, with his wife and children, are at home watching the election results on TV.

The workers are building a new bridge which is 150 meters in high.

When you are writing or speaking English it is important to use language that includes both men and women equally the same.

Neither the Minister nor his colleagues has given an explanation for the chaos in the financial market last week.

We are going to visit our grandparents when we will finish our final exams.

A novel is a story long enough to fill a complete book, in that the characters and events are usually imaginary.

Neither his parents nor his teacher are satisfied with his result when he was at school.

Education, whether it happens at school or anywhere else, is a important part in our life.

The workers went on strikes because of they thought their wages were low.

Many young people lack skills, good education, and financial to settle in the urban areas where many jobs are found.

Because they had spent too many time considering the new contract, the students lost the chance to lease the apartment.