A KNOCK AT THE DOOR INTERRUPTED DAD’S STORY.=> DAD WAS TELLING...

135. A knock at the door interrupted Dad’s story.

=> Dad was telling a story when there was a knock at the door.

=> Dad was telling a story when someone knocked the door.

VII. WRITING (2 pts)

Pollution is becoming more and more serious, not only in developed countries but also in developing and

underdeveloped ones all over the world. It is said that “Pollution comes from human activities”. What’s your

opinion? Give reasons for your answer and include any relevant examples from your own knowledge or

experience. Your argument must be between 120 and 150 words.