四、Read and fill. 你能将下面的句子补充完整吗？请读一读，用所给单词的正确形式填空。
1. He is (young) than me.
2. My friend is very (tall).
3. Tom is 1.54 metres. John is 1.58 metres. Tom is (short) than John.
4. My sister is 12 years (old).
5. Look at this photo! My parents were (young) than they are now.

1. younger 2. tall 3. shorter 4. old 5. younger

五、Read and choose. 星期天妈妈带着 Amy 去参观动物园。请读一读，选择合适的选项，将对话内容补充完整。
Mum: Come here, Amy! Here are some animals.
Amy: Wonderful! 1.
Mum: No, it's a tiger. 2.
Amy: Look! That's a giraffe. 3.
Mum: It's about 7 metres. It's the tallest animal in the zoo.
Amy: Wow! It's so tall.
Mum: 4.
Amy: Yes, I do. Look at the baby elephant! It's so cute.
Mum: The baby elephant is even heavier(更重的) than the tiger.
Amy: 5.
Mum: Haha!
A. How tall is it?
B. Do you like elephants?
C. Is it a big lion?
D. It's much bigger than a cat.
E. The baby elephant is bigger and heavier than me, too.

1. C 2. D 3. A 4. B 5. E