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

It is stated that we are now in the first stages of a battle for the of life on the earth.

He will go out with his friends              .

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 Covid-19 pandemic reminds us to respect doctors and nurses, who            others in our society.

The number of young people using social media is increasing.

To save water, take shorter (A) showers to reduce (B) water use. This will raise (C) your water and heating bills, too (D).

The customs (A) in his country (B) are more traditional (C) than that (D) in the United States.

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.