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

We depend on species diversity to provide food, clean air and water.

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

Johnny used to be one of the most _________ athletes in my country.

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

The 22nd SEA Games consisted of athletes from eleven _________countries.

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

Some species of rare animals are in _________ of extinction.

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

While they were ________tables, he was _________ the radio.

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

Economic reforms are often carried _________ to promote the developing of a country.

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

“Have you seen Kate?” “No, but she _________ be at her desk.”

Mark the letter A, B, C or D on your answer sheet to indicate the sentence that is closest in meaning to each of the following questions.

Tim broke his arm and couldn’t battle in the final.