Choose the sentence which has the closest meaning to the original one. (3 pts)

48. He asked, 'Why didn't she take the final exam?'

• A. He asked why she hadn't taken the final exam.
• B. He asked why she took the final exam.
• C. He asked why she was taking the final exam.
• D. He asked why she doesn't take the final exam.

49. We must take steps to save natural resources, or we wil not survive in the future.

• A. If we take steps to save natural resources, we will survive in the future.
• B. If we take steps to save natural resources, we wil not survive in the future.
• C. If we don't take steps to save natural resources, we will survive in the future.
• D. If we take steps to save natural resources, we wouldn't survive in the future.

50. We want to go on holiday this year but we don't have enough money.

• A. If we have enough money, we will not go on holiday this year.
• B. If we had enough money, we would go on holiday this year.
• C. If we had enough money, we would have gone on holiday last year.
• D. We won't go on holiday this year even if we have enough money.