Cho các từ sau và hoàn tất đoạn văn.
heavy ; fingers ; new ; young ; weak ; thin
1. Mr Hung isn't fat. He's _______.
2. My mother is twenty years old. He's _______.
3. These books aren't old. They're _______.
4. My grandfather is ninety. He's very _______.
5. The bag isn't light. It's _______.
6. There are five _______ on each hand.