Lucky Beer Bottle Cap #28 series 1 Riddles.com/caps 
Answer: Pass the buck.
Lucky Beer Bottle Cap #29 series 1 Riddles.com/caps 
Answer: Time to hit the hay.
Lucky Beer Bottle Cap #30 series 1 Riddles.com/caps 
Answer: Strike while the iron's hot
Lucky Beer Bottle Cap Puzzle #31 series 1 Riddles.com/caps 
Answer: Asleep at the switch.
Lucky Beer Bottle Cap Puzzle #32 series 1 Riddles.com/caps 
Answer: Take it or leave it.
Lucky Beer Bottle Cap Puzzle #33 series 1 Riddles.com/caps 
Answer: Here comes de judge.
Lucky Beer Bottle Cap Puzzle #34 series 1 Riddles.com/caps 
Answer: Fly by night.
Lucky Beer Bottle Cap Puzzle #35 series 1 Riddles.com/caps 
Answer: Grin and bear it.
Lucky Beer Bottle Cap Puzzle #36 series 1 Riddles.com/caps 
Answer: Easy come, easy go.
Lucky Beer Bottle Cap Puzzle #37 series 1 Riddles.com/caps 
Answer: Saving for a rainy day.