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

Optimists believe (A) that in the future we will be living (B) in a cleaner environment, breathe (C) fresher air and eating (D) healthier food.

As a rest time of his (34)_____ , when Magnus graduate from high school in 2009, he was not only the best chess player in the world, but he was also awarded the title of “sport-student of the year” for his achievements in snowboarding and golf.

Based on information in the passage, all of the following information referring to hydroxyl is true EXCEPT __________.

By the age of 13, Magnus was (31)_______ to be one of the best chess players in the world, and his parents wanted him to reach his full potential as a professional chess player.

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

I heard _____ that Jack has been dropped from the basket team.

They set rules, they never (36)_____ with his ambitions.

Mark the letter A, B, C or D on your answer sheet to indicate the word(s) CLOSEST in meaning to the underlined word(s) in each of the following questions.

We should join hands to protect our environment.

The passage supports which of the following conclusion?