单项选择题
A．look for his teeth and buy all of them B．arrest the dentist at once C．make all the shops stop selling teeth D．buy all the teeth in all the shops
A．full B．free C．extra D．long
A．It is wrong to give more pay to the passengers. B．Don’t believe them if they are paying you more. C．Don’t follow others to overcharge the passengers. D．It is difficult to work hard and live as an honest boy.