—Why is Maria so nervous? Because she doesn't know ________at the big party.
–I feel a bit hungry now. -- Why not _____ for dinner with us?
–Excuse me, can I smoke here? --No, ______.
May I have a rest? I have already finished ______ the report.
The story ______ I read the newspaper was about a common problem among teenagers.
Yesterday evening, I _____ along the street when I suddenly met my maths teacher.