Mark the letter A, B, C or D on your answer sheet to indicate the sentence that best combines each pair of sentences.
Question 37: Stop dumping poison into the lake or all the fish and other aquatic animals will die.
A. If people don’t stop dumping poison into the lake, all the fish and other aquatic animals will die.
B. If people didn’t stop dumping poison into the lake, all the fish and other aquatic animals would die.
C. If people stop dumping poison into the lake, all the fish and other aquatic animals won’t die.
D. If people stopped dumping poison into the lake, all the fish and other aquatic animals wouldn’t die.
Question 38. We can’t see the stars at night because there is too much light pollution.
A. If there isn’t too much light pollution, we can see the stars at night.
B. We can’t see the stars at night due to there is too much light pollution.
C. Because there is too much light pollution, so we can’t see the stars at night.
D. Too much light pollution makes us impossible to see the stars at night.
Question 39. Robots can’t replace teachers.
A. Teachers can’t be replaced by robots.
B. Teachers can replace robots.
D. Robots couldn’t be replaced by teachers.
C. Teachers won’t be replaced by robots.
Question 40. You’d better not waste time texting and surfing the internet.
A. If you don’t have time, you shouldn’t waste time texting and surfing the internet.
C. You are not allowed to waste time texting and surfing the internet.
B. If I were you, I wouldn’t waste time texting and surfing the internet.
D. You mustn’t waste time texting and surfing the internet.
Question 37: Stop dumping poison into the lake or all the fish and other aquatic animals will die.
A. If people don’t stop dumping poison into the lake, all the fish and other aquatic animals will die.
B. If people didn’t stop dumping poison into the lake, all the fish and other aquatic animals would die.
C. If people stop dumping poison into the lake, all the fish and other aquatic animals won’t die.
D. If people stopped dumping poison into the lake, all the fish and other aquatic animals wouldn’t die.
Question 38. We can’t see the stars at night because there is too much light pollution.
A. If there isn’t too much light pollution, we can see the stars at night.
B. We can’t see the stars at night due to there is too much light pollution.
C. Because there is too much light pollution, so we can’t see the stars at night.
D. Too much light pollution makes us impossible to see the stars at night.
Question 39. Robots can’t replace teachers.
A. Teachers can’t be replaced by robots.
B. Teachers can replace robots.
D. Robots couldn’t be replaced by teachers.
C. Teachers won’t be replaced by robots.
Question 40. You’d better not waste time texting and surfing the internet.
A. If you don’t have time, you shouldn’t waste time texting and surfing the internet.
C. You are not allowed to waste time texting and surfing the internet.
B. If I were you, I wouldn’t waste time texting and surfing the internet.
D. You mustn’t waste time texting and surfing the internet.