用所给词的适当形式填空.1. The polar bears are kind of        (aggress).2. He was____    (su

题型：同步题难度：来源：

用所给词的适当形式填空.1. The polar bears are kind of        (aggress).
2. He was____    (surprise) to find no one in the zoo.
3. Zoos are like          (live) textbooks for young people.
4. He ________(use) to be a teacher.
5. How much do you           (weight)?

答案

1.aggressive   2.surprised  3.living    4.used    5.weigh