It is possible  .........   may assist some trees in saving water in the winter.

Identify the error in each sentence: Cheaper personal computers are been produced by manufactures throughout the world

You may get malaria _______ you are bitten by a mosquito.

Identify the error in each sentence: Up to the World War II almost all (A) important research (B) in physics had been made (C) in universities, with only university funds for support (D)

It is essential that every teacher _    the meeting.

............ in astronomy, the discovery of Uranus was by accident.

Fort Niagara was built by the French in 1762 on land .............  the Seneca Indians.

Their massive salaries let them afford to give .............. huge amounts to Charities.

Rowing is the sport or activity of travelling in a boat  by using        .

Identify the one underlined word or phrase A, B, C or D that must be changed for the sentence to be correct: 

Canoeing is the activity of paddling a canoe for the purpose of recreation,sport, or transport.

Identify the error in each sentence: In several parts of Asia, there is still a strong market for traditional medicines making from these animals parts

The Complex of Hue Monuments was the first site in Viet Nam  .............  to the World Heritage List.

Chọn đáp án đúng để hoàn thành các câu sau:

A package __________carefully before it is mailed.

Choose the correct answer to complete each following sentence by circling A, B, C or D. 

An inspection of the Coltier Building identified several__________defects.

Research has shown that students, especially those in high schools and universities, can learn  ...........  they do from instructions and textbooks.

It's taking me longer to get _____ the operation than I thought.

We like their …... 

Choose the best answer among A, B, C or D that best completes each sentence:  “Has the committee made its decision yet?” “Not yet. They are still ….. the proposal.”

He is not really friendly and makes no attempt to be _______. 

 ____    , the accident would not have happened yesterday.

Harry was offered a scholarship to study in Spain and he ___ the opportunity with both hands.