1. (Phrase)
AGENDA (but is blacked out)
Answer: A hidden agenda
2. (Phrase)
HEAP / HEAD / HEAR (you can't tell cos it's only the top half)
Answer: Top of the heap
3. (Phrase)
NEW LEAF (but upside down)
Answer: Turn over a new leaf
4. (Phrase)
Answer: A month of Sundays
5. (Phrase)
EAR EAR (the left EAR is in a box)
Answer: In one ear and out the other
6. (Phrase)
BBBBBBBBBBBBBBBBBBB (19 Bs lol I counted!)
Answer: Make a beeline
7. (Phrase)
LIFE (but with a slice out like a pizza)
Answer: A slice of life
8. (Phrase)
CINCH (looking like pipes)
Answer: Lead-pipe cinch
9. (Phrase)
TAKE IT (but mirrored)
Answer: Take it the wrong way
10. (Phrase)
PINNACLES
10. (Phrase)
PINNACLES
Answer: Friends in high places
11. (Phrase)
H2OT
Answer: In hot water
12. (Phrase)
BUSINESSPLEASURE
Answer: Business before pleasure
13. (Phrase)
Molehill (looking like a hill)
Answer: Make a mountain out of a molehill
14. (Phrase)
14. (Phrase)
NERVE (on all 4 edges)
Answer: Nerves on edge
15. (Phrase)
ROUGH (with a diamond as the O)
Answer: Diamond in the rough
16. (Misc)
16. (Misc)
OPPOSED (6 of them in a circle)
Answer: Diametrically opposed
17. (Phrase)
PIROGUE
FERRY
BARGE
GONDOLA
TIDE 
Answer: A rising tide lifts all boats
18. (Phrase)
BARREL (the bottom half)
Answer: Bottom of the barrel
19. (Phrase)
19. (Phrase)
HANG WORD (5 of them everywhere)
Answer: Hang on every word
20. (Phrase)
BEAN
BEAN BEAN
BEAN BEAN BEAN
BEAN BEAN BEAN BEAN
BEAN BEAN BEAN BEAN BEAN
BEAN BEAN BEAN BEAN BEAN BEAN
Answer: A hill of beans
21. (Phrase)
PUSHOVE
Answer: When push comes to shove