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

a. Jane: Yes, it feels very warm, but I must warn you that burning coal produces soot.
b. Nga: Hi. Yes, my dad bought it last week. It heats up our home very quickly. Let me put in some more coal.
c. Jane: Watch out! You're too close and will burn yourself!
d. Nga: Oh no, I don't know that. Thanks so much.
e. Jane: Hi, Nga. Is that a coal-burning stove?
f. Nga: Don't worry! I'm very careful.