Thetoilet( )atbothof( )carriage,nosmoking( )train,Callmewh

Thetoilet( )atbothof( )carriage,nosmoking( )train,Callmewheneveryouneedto,thankyou!卫生间在车厢两端,列车上禁止吸烟,您有需要随时叫我,谢谢!

A.is

B.the

C.on

D.and

正确答案是ABC