He is known _____ his being on time, so we don’t know the reason ____ his being late this time.
When I got back home I saw a message pinned to the door_____“Sorry to miss you, will call later.”
The reading room is_______the classroom.
Rather than________on a crowded bus, he always prefers___________a bicycle.
The salesman scolded the girl caught_______and let her off.
These houses are sold at such a low price _______ people expected.