Underline and correct the mistakes in these sentences

We walked for half-hour to reach the forest.

Each of the following sentences has one mistake. Identify the mistake by writing the letter A, B, C or D on the answer sheet:

I have just sold (A) the book whom (B) I bought in (C) Ho Chi Minh City 5 years ago (D).

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

 ________ him, people named the school after him.

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

Burning garbage ________dangerous gases to the environment, and this may lead to global warming.

Choose the best answers to complete each sentence.

Robert and his wife to my house for tea yesterday evening.

Choose the best option A, B, C, or D to complete the sentences.

The mission ______ they are talking about plans to send humans to Mars by 2030.

Choose the letter A, B, C or D to complete the sentences:

_______, we’ll arrive before dark.

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

The campaign ________things like water bottles and aluminum cans into new, useful objects like park benches, bikes, etc.

Choose the underlined word or phrase (A, B, C or D) that needs correcting.

Don’t (A) forget turning (B) off all the (C) lights before you go to bed (D)

Choose the underlined word or phrase (A, B, c or D) that needs correcting.

It is high (A) time that the Wildlife Department addresses (B) the problem of (C) animal ownership (D).

They will never forget _______ the man-eating shark at the beach.

Choose the correct answer to fill in the blank. 

Carbon emissions from airplanes and other pollutants____ to global warming.

Choose the best answer.

When they _____  TV, the electricity _____  out.

Choose the best answer (A,B,C or D) to complete the sentences:

Wearing uniforms helps students feel ______ in many ways.

Choose the best answer

We went out for ______ last night. _______ restaurant we went to was excellent.

Choose a suitable word or phrase (marked A, B, C or D) to fill in each blank.

We are looking for _______ place to spend ________ night.

Fill each blank with the appropriate form of the word given in brackets.

There’s no………. service in the United Kingdom.                         (nation)

Choose the word, phrase or expression that best completes each sentence below:

Many people share the opinion that Mother Day should be celebrated___________.

Choose the word or phrase (a, b, c or d) that best fits the blank space in each sentence.

Jack insisted that he didn’t need any help__________ I helped him anyway.

Choose the most suitable word(s) to these sentences by circling A, B, c, or D.

Nowadays we often buy the products………………….. Viet Nam.

Choose the underlined word or phrase (A, B, C or D) that needs correcting.

Her novel, that (A) was published (B) last month, is (C) one of the best-sellers. (D)