一、根据句意，用括号内所给单词的适当形式填空。
1. It's (danger) to swim in the river.
2. The rabbits ran here and there when the (wolf) came near.
3. I brush my (tooth) twice every day. It's a good habit for health.
4. There are twenty-four (class) in our new school.
5. In the first half of this year, there are forty twins among all the newborn (baby) in that hospital.

1. dangerous 2. wolves 3. teeth 4. classes 5. babies

二、根据汉语提示完成句子。
1. ——猜猜！Bob 最喜欢什么动物？
——是蛇！
— ！ Bob’s favourite animal?
—It’s the snake!
2. ——这个动物长什么样子？
——它长着一条长长的尾巴。
— the animal look like?
— a long tail.
3. 我最喜欢狐狸，因为它们很机灵。
Foxes are my , because they are .
4. 鲨鱼生活在哪里？
sharks live?

1. Guess What's 2. What does It has 3. favourite animals smart 4. Where do