10 sentences using interjection of approval:

1. Bravo! John has taken a wicket.
2. Well done! You have done a good job.
3. Brilliant! Your article is so helpful.
4. Splendid! I like your work.
5. Well done! You have got the highest marks.
6. Bravo! Richard has scored a goal.
7. Well done! You sang really well.
8. Yummy! The cake is so delicious.
9. Good! Keep it up!
10. Cheers! To our team's success!

Hope it helps..