He met Rachel at her college graduation ceremony in 2008, ________ he was later to marry.
John waited at the bus-stop for nearly half an hour _____ the bus finally arrived .
Not that I’m unwilling to lend you a hand , ____I’m too busy for the moment .
Jack had traveled six miles across the Channel _____his engine failed and was forced to land on the sea .
—When did he leave the classroom?—He left _____you turned back to write on the blackboard.
____he thought he was helping us with the work, he was actually in the way.