Every society changes, but not change at the same rate or in the same direction .

Mercury is not often visible because it is so near the sun to be seen.

I’m just going to the shops; if anyone rings, tell them I will be back for a few minutes.

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

It is large island, few people live there, though.

Many people have stopped to smoke because they are afraid that it may be harmful to their health.

...........big books on ...........table are for my history class. 

There is a widespread belief that the economical situation will improve.

A computer networks usually includes either selected employees of a particular business or or people who do not work together but have similar interests.

The international Red Cross, which has helped so many nations, won the Nobel Peace Prize three times for their efforts to reduce human suffering

Yogurt contains a higher percentage of lactic acid than another fermented milks, and it is rich in B-complex vitamins.

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

It would be both noticed and appreciating if you could finish the work before you leave

Those who have never been abroad is eager to see how different the other cultures are.

The number of student attending English courses at our university are increasing.

Generally speaking, a magnitude 1.0 earthquake on the Richter scale is detected by instruments but not by person.

You are listening to music, ...................  ?

A conductor uses signals and gesture to let the musicians to know when to play various parts of a composition.

From the airplane, passengers are able to clearly see the outline of the whole island

Choose the correct answer to complete the sentence. "Most people admit that they _____ to global warming"

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

What you would do if you could speak French well?