With its strong claws and many protruding tooth, a gopher is an excellent digger

From archeological evidences, we know that Egyptians were highly organized and civilized. Moreover, they were skillful in using crafts.

I haven’t decided yet about either to buy a new car or second-hand one

Two unique features of the Arctic they are lack of precipitation and permanently frozen ground.

The teacher taught her students to look careful to the left and the right at least three times before crossing the highway.

The steam engine is usually thought of as a relative modern invention, but the Greeks built a kind of steam engine in ancient times

The capital of the United States, originally New York City, was moved to Philadelphia where stayed until 1800.

He usually travels to..................Philadelphia by.................. train. 

Choose the correct answer to complete the sentence. "Nowadays the common method for drying vegetables and minced meat is putting them in chambers and blowing hot air through."

When you go to........... store, please buy........... bottle of ...........chocolate milk and........... dozen oranges. 

The world oceans have risen on average of 6 inches over the past 100 years, which has been considered as an evidence that global warming has an effect.

Carnegie hall was the first building in New York designed special for orchestral music.

Chicago’s Sears Tower, now the tallest building in the world, rises 1,522 feet from the ground to the top of it antenna.

One of the four underlined parts marked A, B, C, D in each sentence is not correct in standard English. Identify them: 

If we continue to use fuels at the current rate, we would soon have to face a fuel crisis. 

The duty of the police is the maintains of the law and order.

In the field of acting theory, controversy arises over the question of whether is acting a behavioral or a mental process

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

When he took the ticket out of from his pocket, a hundred dollar bill fell to the floor without his noticing

Bats use echoes of their own high – frequency sounds to detect food and avoiding obstacles.

When you passed the town hall clock, did you notice what time was it

As a young man, Darwin showed little promising as a biologist.