Don't start trouble, you don't want to open a can of ___s. (to make a situation worse) (WORMS / MICE)

I'm the _____ for the experiment. (to be a test subject) (BULL / GUINEA PIG)

I've so many things to do. I'm running around like a headless _____! (trying to do a lot of things quickly without being calm) (FISH / CHICKEN)

I'd love to be a _____ on the wall when she breaks up with him! (to be able to see what people are doing without them noticing you) (FLY / RHINO)

You can do this! It's time to take the ___ by the horns! (to face a challenge) (BULL / FROG)

I need to have my ___s in a row for my new job. (to be organised) (DUCKS / BEES)

He's very mysterious. He's a dark _____, isn't he? (someone with a a secret ability, skill or achievement) (HORSE / BAT)

Antonia is very timid, she wouldn't say boo to a _____. (used to describe someone who is very quiet and shy) (GOOSE / CHICKEN)

I'll never get home, traffic is moving at a ___'s pace. (to move very slowly) (FOX / SNAIL)

Don't believe Jack's lies. A ____ can't change its spots. (used to say a person will never change their character) (LEOPARD / TURTLE)

I feel like a _____ out of water. (to be in a situation that you know nothing about or are not used to) (DOG / FISH)

The new boss thinks he's the _____'s knees! (to think you are very clever and important) (BEE / FLEA)

A little _____ told me you're secret! (used when you are not going to say who told you something) (LION / BIRD)