Mark the letter A, B, C or D on your answer sheet to indicate the most suitable response to complete each of the following exchanges. Question 13. Nam: How about organizing a Clean Day for our school? Huong: _________. A: Good idea! How should we start? B: Oh yeah! I can’t believe that. C: No. I had no idea about that. D: No problem. We can do. 9 Choose the sentence A, B, C or D that is closest in meaning to the given sentence. Question 23: The street doesn’t look attractive because people throw rubbish in the street. A: If people didn’t throw rubbish in the street, it will look attractive. B: If people don’t throw rubbish in the street, it will look attractive C: If people threw rubbish in the street, it would look attractive. D: If people didn’t throw rubbish in the street, it would look attractive.