TOEFL iBT Practice Quiz

Question 1: The professor argued that climate models are not perfect, yet they are still ______ for understanding long-term trends.

uselessessentialharmfulirrelevant

Question 2: In the sentence, 'The researcher acknowledged that the sample size was small,' the word 'acknowledged' most nearly means:

ignoredadmittedcelebratedforgot

Question 3: Choose the sentence that is grammatically correct:

Students must submits their assignments before Friday.The results of the experiment was surprising.Each of the participants was given a questionnaire.The professor, along with her assistants, are presenting.

Question 4: A short passage states that a species is 'highly adaptable' and can survive in many environments. What can you infer?

The species is close to extinction.The species can only live in one climate.The species is likely to respond well to environmental change.The species does not interact with its surroundings.

Question 5: Choose the best option to complete the sentence: 'The lecture was difficult to follow, ______ the professor spoke quickly and used many technical terms.'

becausealthoughsounless

Question 6: The phrase 'on the other hand' is best used to:

introduce a similar ideagive a definitionshow contrast with the previous ideaprovide a conclusion

Question 7: In the sentence, 'The committee reached a unanimous decision,' the word 'unanimous' is closest in meaning to:

reluctantdividedcarelessagreed by everyone

Question 8: Which sentence correctly uses the passive voice?

Researchers conducted the study over two years.The study was conducted over two years.They are conducting the study over two years.The study conducting over two years.

Question 9: A passage says, 'The findings are preliminary and should be interpreted with caution.' What does this suggest?

The findings are final and cannot change.The findings are not interesting to readers.More research is needed before strong conclusions are made.The study was completely unreliable and should be ignored.

Question 10: Choose the best option to complete the sentence: 'The new policy aims to reduce pollution and ______ improve public health.'

consequentlyhoweverinsteadrarely