—He was nearly killed by a car once. —Oh, when was ______ exactly? —It was in 2009 ______ he was riding a bike on the drive-way.
You'd better get all the work _________ before you leave.
At midnight the enemy attacked _________.
He had to___ before they finished the course because they were not well disciplined.
It looks as if they are going to _________ us a lot of money for the concert hall.
_________ needs further discussion whether we'll build a laboratory or not.