Which animal is the enemy of the house?

Which animal is the enemy of the house? Which animal is the friend of which of the 26 letters is a kind of animal which of the following is NOT an animal which of the following animal is from china ? The house the window of which is broken is mine. Which animal is our best friend and helps us watch the house 翻译：Complacency is the enemy of study. Enemy of the which animal is your favourite?the giraffe Which is the biggest animal on land which is the heaviest ______all animal?