You should try to get a good night’s sleep_____ much work you have to do.
–Do you know his number? -No, I even have quite enough trouble______ my own.
The bus stopped at the station, _____ several people and drove off.
The _____ you study, the _____ you’ll be in it.
You’d better go there by train. The train ticket is _____ the plane ticket.
She brought with her three friends, none of _____ I had ever met before.