Respuesta:
a) knocks one socks off
b) Let the cat out of the bag
c) lose one's marbles
d) in hot water
e) hit the sack
f) butterflies in one's stomach
g) at the drop of a hat
h) under the weather
i) pull one leg
j) a piece of cake
k) cold feet
l) hold your horses
m) all ears
n) caught between two stools
o) cost an arm and a leg.
Espero estén bien:)
