Not until the train pulled into the next station ______ that his briefcase had gone.

Can I have a talk with you at about Smith?— All right, I ______ to my office from a conference then．I will be waiting for you there．

You should really smoking because it’s bad for your health.

She is having an interview ______ Lily’s grandpa now.[ ]

Who’s that? —My aunt. ________ is a nurse in a hospital.