Choose the most suitable response to complete each of the following exchanges.
21. - “I’m taking my driving test tomorrow.” -“____________.”
A. Good fortune B. Good luck C. Good outcome D. Good success
22. Tom: “How did you get here?" - John: “…………………”
A. I came here last night. B. I came here by train.
C. The train is so crowded. D. Is it far from here?