Choose the best answer:
The factory is working below _________ because of the shortage of essential materials.

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If we…………..to mother, we………….in trouble right now.

Choose the best answer among A, B, c or D that best completes sentence: Biologists still have ____ real idea how many  species of living things exist on Earth.

If you want your children to play football well, you need to find a good .................

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The telephone was ............ by Alexander Bell.

In spite ................. his did not get the highest grade in the final exam.

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UFOs are just the ...................... of some writers.

I think she’s_____ . Her books are brilliant.

Choose the best answer to complete the following sentences.

About 15,589 species (7,266 animal species and 8,323 plant species) are now considered ____ risk ____ extinction.

Don’t rush me; I hate having to make ____ decisions.

Mark the letter A, B, C or D to indicate the underlined part that needs correction in each of the following questions.

 Everyone can take an important role by always doing their best to help their families flourish.

Mark the letter A, B, C, or D on your answer sheet to indicate the word(s) CLOSEST in meaning to the underlined bold word(s) in each of the following questions: 

He was asked to account for his presence at the scene of crime.

-Lan: "Happy birthday! This is a small present for you." – Nga _____ "

Choose the correct answer to complete the sentence. "______ he acts like an innocent man, the evidence shows the contradiction."

I was surprised at ____ yesterday. 

Almost half of turtles and tortoises are known to be threatened with ____.

Before you sign  a contract, ................... in mind that you won’t be able to change anything later.

_______lunch in Spain is _____ bit different from what we're used to in _____ America.

This pack contains posters and leaflets, which can be used to publicize the scheme, plus collection bags to encourage people to _____ a donation.

Many parents tend to push their children because they believe that good education will enable them to..............in the future.

It is equal-chance for everyone. No one should be given privilege.