check your teeth 检查牙齿catch criminals 抓罪犯drive an ambulance 驾驶救护车help us to learn 帮助我们学习put out fires 扑灭大火help sick people 帮助病人catch criminals 抓罪犯policemenhelp sick people 帮助病人policemencheck your teeth 检查牙齿dentistsdrive an ambulance 驾驶救护车dentistsWhere is the cat
Where is the cat
It’s at the top of the house
It can’t get down
It’s dangerous
Where is the cat
At the top of the house
Whose cat is it
It’s Mrs Lin’s
What does Bill’s father do
He’s a fireman
Can Bill’s father help the cat
Yes, he can
