V. Mark the letter A, B, C, or D to indicate the correct response to each of the foIlowing exchanges.
Câu 1: ~ A: "Do you know how this machine works?" ~ B: " "
A. It's very expensive.
B. Will you call the mechanic tomorrow?
C. Plug it in and push the green button.
D. I think it's quite heavy.
Câu 2: A: " " ~ B: "Oh, the bulb went out when I switched it on."
A. Are there anything wrong?
B. What matters to the lamp?
C. Does the machine work properly?
D. What's wrong with the lamp?
A.
B.
C.
D.