1 . ________________ (肯定有人打开了笼子). The dog couldn’t have escaped on its own. (根据汉语提示完成句子)

2 . They kept the lion ________(cage) in the garden. (所给词的适当形式填空)

3 . When you get out of the________(笼子), you’ll fly very high. （根据汉语提示单词拼写）

4 . A member of the Kennel Club, she kept most of the animals in small _______ (笼子) in two bedrooms. （根据汉语提示单词拼写）

5 . The bird is kept in a__________（笼子）.