用所给词的适当形式填空.
1. Kangaroos are _______ (play) and chimpanzees are _______ (noise).
2. I was _______ (surprise) to find hardly anyone in the zoo.
3. Visiting zoos are like _______ (live) textbooks for young people.
4. He _______ (use) to be _______ (call) " Little Tiger ".
5. Liu Xiang's success is an _______ (inspire)to us all
1. playful; noisy 2. surprised 3. living 4. used; called 5. inspiration