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

Migrant workers are________ to exploitation

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

Toxic chemicals from factories are one of the serious factors that leads wildlife to the _______ of extinction.

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

It's no good________ to him; he never answers letters.

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

Internationally, 189 countries have signed _______ accord agreeing to create Biodiversity Action Plans to protect endangered and other threatened species

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.

His career in the illicit drug trade ended with the police raid this morning.

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

Mark the letter A, B, C, or D on your answer sheet to indicate the most suitable response to complete each of the following exchanges.

Would you mind closing the window please?

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

His health would be improved________