Read the following passage and mark the letter A, B, C, or D on your answer sheet to indicate the correct answer that best fits each of the numbered blanks

Have a walk on a beach, listen to the sound (3) ___________ the sea waves, and suddenly you see a lot of rubbish on the beach. Pollution takes away all the beauty of our beaches. I feel really (4)___________when I see plastic bags lying on the sand, cigarette ends buried in the sand, and soda cans floating in the sea.

There are a lot of things that we can do. If we see rubbish, we should do our part in protecting the land by (5)___________it up and throwing it in dust bins. (6) ___________ , we can form some kinds of organization that help clean up the beaches. If everyone does their part, (7) ___________ beaches will be a wonderful and beautiful place. We need to start now before the beaches are damaged beyond repair.