猜一猜。 1. I am a ________. I can say “meow, meow”. 2. I am a ________. I have a big mouth. I can say “quack, quack”. 3. I am a ________. I have a big farm. 4. I am a ________. You can eat my eggs (蛋). I can say “cluck, cluck”. 5. I am a ________. I am your good friend. I can say “woof, woof”.