问题
补全对话，情景问答
根据句意，完成下列句子。
1. How old is the tree?
It's about (10) years old.
2. How old is the man?
He is (31) years old.
3. is the girl?
She is eleven years old.
4. is the boy?
He is l.4 metres tall.
5. How old is the Palace Museum?
It's about (500) years old.
答案
1. ten 2. thirty-one 3. How old 4. How tall 5. five hundred