Please excuse me _______ your letter by mistake.
If we a full preparation, the meeting wouldn't have been so successful.
______ early for his date, Mark spent time reading the newspaper.
A new school has.been set up ______ there was nothing a year ago but ruins.
One of our rules is that every student_____wear the school uniform while at school.
The graduation ceremony,_______ at 9 pm yesterday, was followed by a film .