Mark the letter A, B, C or D on your answer sheet to indicate the word that differs from the other three in the position of the main stress in each of the following questions.

What serves as the best title of the passage?

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

Some experts believe that in 2050 most classes ______________ a robot teacher.

Mark the letter A, B, C or D on your answer sheet to indicate the word or phrase that is OPPOSITE in meaning to the underlined part in each of the following questions.

People with good problem-solving skills can find solutions to difficult or complex issues quickly and effectively.

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

______________ enables machines to have certain qualities that the human mind has such as the ability to learn from experience.

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

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

This online course promises to help learners improve their problem-solving and ______________ skills.

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