Что сказать в этих ситуациях? Примеры:1. Its your friends birthday. ___

Что сказать в этих ситуациях?
Примеры:
1. Its your friends birthday. ___ ___!
Its your friends birthday.
- Happy birthday!
2. A friend is going to take an exam. ___ ___!
A friend is going to take an exam.
- Good luck!
PS: Я размышляю, что так надобно делать, нам дали листики, мол делайте и не пояснили как делать эти задания.
1) A friend has passed an exam.___ ___!
2) A friend is starting a holiday tomorrow. ___ ___ ___ ___!
3) You want to go througn a doorway. There are some people blocking it. ___ ___!
4) You are on a very crowded bus and you stand on someones foot. ___!
5) Someone bumps into you in the street and says "Im sorry". ___ ___ ___.
6) You give things to people. ___ ___ ___.