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

If all countries ______________ to renewable energy, the environment ______________ cleaner.

For each question, combine two sentences using the First Conditional or Second Conditional.

We should raise people’s awareness and provide more recycling bins. Then many people will recycle.

→ .............................

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

Mark the letter A, B, C or D on your answer sheet to show 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 word or phrase that is CLOSEST in meaning to the underlined part in each of the following questions.

Mark the letter A, B, C or D on your answer sheet to indicate the sentence that best completes each of the following exchanges.

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.