综合短文填空We all know that parrots can say "hello" to people.But

综合短文填空
We all know that parrots can say "hello" to people.But do they r______ know what they are talking about?No,of c_____ not.Parrots are only g______ at mimicking words.They do not u______what they are saying .Do not be fooled by the parrot that says "hello" to you w_______ you come in.It may say the
same thing when you l______
Of all ______,parrots are the best at mimicking people is voice.W_____ careful training,parrots can say words,s________ and even whistle.But they are not speaking in the same sense as we are,they are just m_________ a sound they once heard.They are not using speech to communicate.