-----Hello ,Mr .Smith .This is Larry Jackson .I am afraid I won’t be able to arrive on time for the meeting in the office . ------_______.We ‘ll wait for you.
Although he knew little about the large amount of work done in the field , he succeeded ____other more well-informed experimenters failed.
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.