11. “Let the cat out of the bag” means:
a) to release a dangerous animal
b) to reveal a secret
c) to buy a cat
d) to hide something valuable
12. “Cost an arm and a leg” means:
a) to be cheap
b) to require a lot of effort
c) to be very expensive
d) to be physically demanding
13. “In hot water” means:
a) to be in a dangerous situation
b) to be physically hot
c) to be in trouble or facing consequences
d) to be irritated or annoyed
14. “Keep your chin up” means:
a) to be optimistic or positive
b) to lower your head in shame
c) to avoid eye contact
d) to keep a strong appearance
15. “On cloud nine” means:
a) to feel light-headed
b) to be very tall
c) to be extremely happy and delighted
d) to be close to achieving a goal