There are missing word in each sentence. Please guess what for the meaning. Appropriate animals are dog, cat and mouse in one each.
1. I didn’t hear you come in last night. You must have been as quiet as a (mouse). = very quiet
2. Don’t forget that this is a secret, so whatever you do, don’t let the ( cat ) out of the bag. =secret revealed
3. I’ve been as sick as a ( dog ) since I ate those sausage rolls. =very sick
Guide to the answer