Since the average age of families has fallen, therefore more and more women have been able to join the labor force.

Due to the forecast, the tunnel will be finished next year.

Diane Arbus’s unusual and controversial work includes photographs of sixties celebrities

Before television became popular, Americans used to entertain each other in the evening by playing games, saying stories, and singing songs.

The girls were sorry to had missed the signers when they arrived at airport.

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

I try to go jogging at least four times _______ week.

These engines used being started by hand. But now they are started electricity.

You have ever heard about Yuri Gagarin, ____?

Photographs from a satellite are frequently used to generate the information is needed produce a map.

The builders of variety ancient cliff ruins scattered throughout canyons and mesas of the arid Southwest of the United States are known as the cliff dwellers.

The teacher decided to fail the student with the grounds of his poor performance in tests and small progress.

Mark the letter A, B, C, or D to indicate the underlined part that needs correction in each of the following questions: On Sunday mornings, I either go shopping or staying at home and read books and newspapers

In winter it is important for farmers to provide food and warm for  animals.

Because of its vast tracts of virtually northern forest, Canada has one of the lowest population density in the world.

There exists more than 2,600 different varieties of palm trees, with varying flowers, leaves, and fruits.

As a child grows on, its physical health is affected by  many elements in, water and food

Nobel Prizes are awarded to people who excellent in fields above and beyond what is expected from scholars.

No one is better cook than his mother, ______?

Hardly he had entered the offic when he realized that he had forgotten wallet 

If the airplane ticket wasn’t expensive, I could fly to Singapore for holidays