() 4. —Thank you for the key for me, David.
—You’re welcome.

A.looking after
B.picking up
C.working out
D.phaying with

4.B

() 5. —What’s your favourite animal?
—.

A.It’s the penguin
B.It’s from Africa
C.It can swim fast
D.It looks lovely

5.A

三、变一变。
1. Thanks for (save) my son’s life, Mr Black.
2. Jenny wants to be a good (swim) in the future.
3. Some people don’t like (wolf) because they look scary.
4. Mr Smith tells us not to buy things (make) of ivory.
5. My pet dog is very (play) and likes to play with a ball.
6. My grandpa is 86 years old, and his (hear) isn’t good.
7. My mum often teaches me to make different kinds of (sandwich).
8. There is a mother mouse and three baby (mouse) in the story.
9. It’s (danger) to walk across the street when the traffic light is red.
10. It’s easy for elephants (carry) heavy things with their long trunks.

1. saving 2. swimmer 3. wolves 4. made 5. playful
6. hearing 7. sandwiches 8. mice 9. dangerous 10. to carry

四、译一译。
1. “你为什么这么喜欢企鹅？”
“因为它们很可爱。”
— penguins so much?
— very cute.

2. 它们不能像其他鸟一样飞，但它们能游得很快。
They can’t fly , but they can swim .
3. 我喜欢它们走路的样子。
I like .
4. “它们来自哪里？”
“这上面说它们来自南极洲。”
— ?
—It says Antarctica.
5. 这有助于它们保持温暖。
It helps them .
6. 这对它们不好。
It’s .
7. 它看起来是什么样子的？
What does it ?
8. “你为什么不喜欢蛇？”
“因为它们真的很吓人。”
— like snakes?
—Because .
9. 这种动物的尾巴长吗？
Is ?
10. 埃玛和海伦来自哪里？
Where Emma and Helen ?
（变式训练）Where Emma and Helen ?

1. Why do you like, Because they’re 2. like other birds, very fast
3. how they walk 4. Where are they from, they’re from
5. keep warm 6. not good for them
7. look like 8. Why don’t you, they’re really scary
9. the animal’s tail long 10. are, from; do, come from