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The air in the city is very .....................

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

No one knew precisely what would happen to human being in space.

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One of the first exercises in math class is ______ measure the radius of a circle.

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Ho Chi Minh city is ...................  than Hanoi.

Choose the correct answer to complete the sentence. "Australia is the greenest country in the world _____ the people are environmentally friendly."

It is found that endangered species are often concentrated in areas that are poor and densely populated, such as much of Asia and Africa.

Online courses allow learners to study at flexible time.

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

Nga is very modest, always _______her success.

Choose the best answer to complete the following sentences.

The saola is also indirectly threatened by insufficient ____ to and investment in its conservation.

The use of unleaded petrol has _____ in recent years.

We all welcome the government's initiative to boost lifelong learning.

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: 

Students from that university have conducted a survey to find out the most effective study habit.

Don't forget ….... the door before going out. 

They asked me a lot of questions, _____________ I couldn't answer.

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

I must have a watch since punctuality is imperative in my new job.

Different learners have different learning styles.

The International Red Cross helps people in need without any discrimination based on .................., race, religion, class or political opinions.

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The boy .................at home yesterday evening.

 He …..just………..the dishes. 

The film was so  .................. that, even though I tried not to, I ended up crying.