Mark the letter A, B, C, or D to show the underlined part that needs correction.

Porous filters of charcoal can remove (A) dust particles from the (B) air if it is directed through them (C) in a steadily stream (D).

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

Harry, alike his colleagues, is trying hard to finish his work early.

The _________ has threatened many of animals in this park 

Mark the letter A, B, C ,or D on your answer sheet to indicate the correct answer to each of the following questions: 

___________ I was talking to my teacher, my friends were waiting outside the classroom.

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

- “I need some help with this table.________ you lift the other end, please?”

-“Sure, just a second”.

Choose the word or phrase (A, B, C, or D) that best fits the blank space in each sentence.

My friend, _____bicycle was stolen last week, has decided to buy a motorbike.

Choose the correct answer to complete the following sentences.

______ the moon has no water, its solid crust does respond to the gravitational force of the earth.

The man ______without trace.

Choose the best option: 

If Alan had money, he ............. a new car.

Choose the correct answer to complete each of the following sentences.

In Asian culture, children are taught to________their teachers.

Choose the correct answer to complete each of the following sentences.

My cousin is a third-year student_____in economics.

Choose the word having the same meaning as the underlined word.

Lyndon Johnson succeeded John Kennedy as president of the United States.

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

We bought some ___________.

Choose the right option for each gap in the following sentences.

I’m afraid Grandfather’s writing is becoming more and more________.

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

I have never seen Henry look so___________before.

“What subject do you find the most difficult?” My mother asked.

⇒ My mother asked what subject ____________ the most difficult.

Choose the correct answer to complete each of the following sentences.

It is not a country that__________ an Olympic Games, but a city that is given the honour.

Choose the correct word or phrase to complete each of the sentences.

It is hoped that illiteracy will soon be______if more and more people take part in the struggle against it.

Choose the word or phrase (A, B, C, or D) that best fits the blank space in each sentence.

Son Doong Cave is recognised as _____ cave in the world by BCRA.

Choose the correct answer to complete each of the following sentences.

My uncle and aunt live_______ a farm 120 kilometers east of Hanoi.

Choose the correct word or phrase to complete each of the sentences.

There are a lot of people who________ work in remote and mountainous areas nowadays.