Look out! Keep away from the house, _____ the roof is under repair.
Let's walk over ___the shop on the other side of the street.
_____most students, she was always well prepared and never came to class late.
The doctor will be free ____.
The boy ought to have gone to school ___, but he slept ___noon.
The train leaves at 6:00 p.m. So I have to be at the station ____5:40p.m.at the latest.