Mark the letter A, B, C or D on your answer sheet to indicate the best arrangement of utterances or sentences to make a meaningful exchange or text in each of the following Questions from 13 to 17.

1. Nam: Oh, I'm sorry, but I can't. I have to visit my grandparents today.
2. Lan: Never mind. Another time, perhaps.
3. Lan: Nam, there's an art exhibition near my school. Let's go to see it this afternoon.