TOEFL 20

Which of the following sentences is grammatically correct?

• She don't like to play soccer.

• She doesn't likes to play soccer.

• She doesn't like to play soccer.

• She don't likes to play soccer.

• She doesn't like playing soccer.

Answer explanation

The correct sentence should use 'doesn't' instead of 'don't' and 'like' instead of 'likes'. Therefore, the grammatically correct sentence is: She doesn't like to play soccer.

Identify the error in the following sentence: "Each of the students have completed their assignments."

• Each

• of the students

• have

• completed

• their

Answer explanation

The error in the sentence is the word 'have' which should be 'has' to match the singular subject 'Each'.

Which of the following sentences is correctly structured?

• Running through the park, the dog was seen by the boy.

• The boy seen the dog running through the park.

• The dog was seen running through the park by the boy.

• The boy saw the dog running through the park.

• Running through the park, the boy saw the dog.

Answer explanation

The correct sentence structure is 'The boy saw the dog running through the park.' This sentence follows the subject-verb-object order and is grammatically correct.

Read the passage and answer the question: "The Amazon rainforest is home to a vast number of species. It is often referred to as the lungs of the Earth because it produces a significant amount of the world's oxygen." What is the main idea of the passage?

• The Amazon rainforest is in South America.

• The Amazon rainforest produces oxygen.

• The Amazon rainforest is home to many species.

• The Amazon rainforest is important for the Earth's oxygen supply.

• The Amazon rainforest is being deforested.

Answer explanation

The main idea of the passage is that the Amazon rainforest is important for the Earth's oxygen supply.

Which of the following sentences contains a grammatical error?

• She enjoys reading books in her free time.

• He go to the gym every morning.

• They are planning a trip to Europe.

• We have finished our homework.

• The cat is sleeping on the couch.

Answer explanation

The sentence 'He go to the gym every morning.' contains a grammatical error. The verb 'go' should be conjugated to 'goes' to match the subject 'He.'

Identify the error in the following sentence: "Neither the teacher nor the students was aware of the change in schedule."

• Neither

• the teacher

• nor

• the students

• was

Answer explanation

The error in the sentence is the incorrect verb agreement. 'Was' should be 'were' to match the plural subject 'students.'

Which of the following sentences is correctly structured?

• The book on the table is mine.

• The book is mine on the table.

• On the table the book is mine.

• Mine is the book on the table.

• The table is mine on the book.

Answer explanation

The correctly structured sentence is 'The book on the table is mine.' It follows the standard subject-verb-object order.

Read the passage and answer the question: "Global warming is a significant issue that affects the entire planet. It is caused by the increase in greenhouse gases, which trap heat in the atmosphere." What is the cause of global warming according to the passage?

• Deforestation

• Greenhouse gases

• Pollution

• Overpopulation

• Industrialization

Answer explanation

According to the passage, the cause of global warming is greenhouse gases which trap heat in the atmosphere.

Which of the following sentences contains a grammatical error?

• She has been working here for five years.

• They goes to the same school.

• We are planning a surprise party.

• He enjoys playing basketball.

• The children are playing in the park.

Answer explanation

The sentence 'They goes to the same school.' contains a grammatical error. 'Goes' should be 'go' to match the subject 'They'.

Identify the error in the following sentence: "The committee have decided to postpone the meeting."

• The

• committee

• have

• decided

• to postpone

Answer explanation

The error in the sentence is the word 'have' which should be 'has' to match the singular subject 'committee'.