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

The earth is (A) the only planet with a large (B) number of (C) oxygen in (D) its atmosphere.

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

He has been very interested in doing research on _________ since he was at high school.

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

Jason told me that he _________ his best in the exam the _________ day.

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

The International Red Cross has about 97 million volunteers whose main _____ is to protect human life and health.

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

There has been no discernible improvement in the noise levels since lorries were banned.

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

Look out. There is a rattlesnake under the picnic table!

Mark the letter A, B, C or D on your answer sheet to indicate the correct answer to

each of the following questions.

I gave him my e-mail address _________ he could keep in touch with me.

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

Biologists have introduced a global list of endangered and vulnerable animal species.