---I’m going to take part in the piano competition next week.

---             .

1. A.
   Congratulations！
2. B.
   Good luck！
3. C.
   Not at all！
4. D.
   With pleasure.

--- I’m going to take part in the piano competition next week.
--- ________

1. A.
   Congratulations！
2. B.
   Good luck！
3. C.
   Not at all！
4. D.
   With pleasure

1---I’m going to take part in the piano competition next week.

--- _____

A. Congratulations！  B. Good luck！

C. Not at all！   D. With pleasure.