(13) a) Fill in the correct animal and then explain each of the idioms. . fish • beaver • horses • dogs.cat • crocodile 1 He is such ain) eager ........... that he springs out of bed every morning, ready for work. 2 She told him to let sleeping ..................... lie and not to mention the problem to Jack 3 They want to choose a new leader, but I told them they shouldn't change ........ in midstream 4 She let the ....... out of the bag when she started talking about the plans for the surprise party. 5 Those were just ............ tears. She wasn't really upset at all 6 felt like a ...... .......... out of water at the party because I didn't know anyone.