Fill in: speak, shake, neigh, trumpet, whistle, stick, rub, growl. Write in your notebook. 1 Zebras sometimes ... their necks together. 2 Nelly is teaching her dog to her hand. 3 Don't your tongue out at people; it's rude! 4 Elephants loudly when they're excited. 5 The tiger started to ... when we went up to its cage. 6 They think animals languages just like us. 7 A horse can ... to ask where another horse is. 8 When we ... to our dog, he comes. ... ... ...​