Answer:
Do you still need help?
Explanation:
1. slap in the face
2. man on the street
3. piece of the action
4. pat on the back
5. icing on the cake
6. pie in the sky
7. pain in the neck
8. snake in the grass
9. pick of the bunch
10. tip of the iceberg
I'm not 100% It's right but, here it is
It is an adverb clause