If Martin were here now, he ______ us to solve this difficult problem.

What does the passage mainly discuss?

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 primary stress in each of the following questions.

Mark the letter A, B, C, or D on your answer sheet to indicate the word whose underlined part differs from the other three in pronunciation in each of the following questions.

Mark the letter A, B, C, or D on your answer sheet to indicate the word whose underlined part differs from the other three in pronunciation in each of the following questions.

The results, (36)______ were published in the journal Neurological Research, are the latest in a series that links musical training to the development of higher brain functions.

Our continuously economic grow, the maintenance of our quality of life and assurance of our security all depend on an abundant, affordable supply of electricity.