Anyone interested in the use of computers can study much if you have access to a personal computer.

They are known that colds can be avoided by eating the right kind of food and taking exercise regularly.

Two decibel, which is a unit of relative loud, is the smallest amount of change detected by the human ear.

The US mint makes frequently coins from cheap alloys that are worth far less the value stamped on them.

 A robber is dangerous to ____ society 

Choose the best answer:

After .............. a week in that place, he decided ...........back immediately.

The manufacture and production of steel is one of the industries on which the country prosperity was found.

My cousin composes not only the music, but also sings the songs for the major Broadway musicals.

When there are low sales, companies often decide developing new products.

Chọn đáp án đúng để hoàn thành các câu sau:

I had my hair________by my brother.

Identify the error in each sentence: 

Ancient people made (A) a clay pottery (B) because they needed (C) it for(D) their survival. 

We should     with the difficulties we were confronted with rather than sitting still and complaining.

Although he tried to hide it, it was _______ that Peter didn't like his birthday present.

A few animals sometimes fool their enemies _______ to be dead.

Choose the best answer:

I wasn’t anxious ......... the first who died of snakebite.

He harbors a deep resentment ___________ his parents for his miserable childhood.

People enjoy a book ________ different ways.

Identify the error in each sentence: 

Only when I am hungry I like eating rice and fish.

_____ Republic of Panama lies between _____ Pacific Ocean and _____ Caribbean Sea. 

It was her who suggested that he should go to New York in order to get  a direct flight.

Psychologists at the University of Kansas has studied the effects of the color of a room on people’s behaviors.