Choose the best answer among the A, B, C, or D provided to finish each of the incomplete sentences below:

Pests occur in large numbers, and they can____________ terrible damage, particularly to growing crops, that in some parts of the world people frequently suffer from famine.

Being a child of noble birth, his name was famous among the children in that school.

Some bacteria are extremely harmful, but anothers are regularly used in producing cheeses, crackers, and many other foods.

Mark the letter A, B, C, or D to indicate the correct answer to each of the following questions.

Studies suggest ____________  only when you are most active and giving your digestive system a long break each day.

Bacteria lived in the soil play a vital role in recycling the Carbon and Nitrogen needed by plants.

A City University Professor reported that he discovers a vaccine which has been 80 % effective in reducing the instances of tooth decay among small children.

Even the smallest pulley can be done stronger by adding wheels to its system to create more leverage

I work in a large office with about thirty other people, most of whom I know quite well enough 

Choose the best answer among the A, B, C, or D provided to finish each of the incomplete sentences below:

___________ yet?

In the sixteenth century, Francois Vieta, a French mathematician, used the vowels “a”, “e”, “i”, “o”, “u” to represent a unknown number.

Choose the best answer:

English is an _____ medium of international communication.

Choose one word or phrase marked A, B, C, or D that best complete the preceding sentence:

________ then what I know today, I would have saved myself a lot of time and trouble over the years.

Mark the letter A, B, C, or D on your answer sheet to indicate the word or phrase that is CLOSEST in meaning to the underlined part in each of the following questions: 

The necklace is interesting but not precious.  

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

We call her as ‘Auntie Flo’, though she is not really in any relation to us

I was surprised ________ the way he behaved. 

Chọn phương án thích họp (A, B, c or D) đế hoàn thành yêu cầu của câu.

 ____ you run quickly, you are likely to be late.

Choose the best answer from A, B, C, or D.

Will you……….me to post this letter tomorrow?

The common field mouse is about four inches long and has a three – inched tail.

Choose the best answer  (A, B, C, or D)

He couldn’t go far because he was afraid of...........

After a while, the track we have been following became thick undergrowth.