—I telephoned him twice and I couldn’t get through to his home. —I think the line might have been out of order, ________?
The violin will have to be tuned before it _____.
Charles Babbage is generally considered_____ the first computer.
_________ I can see, there is only one possible way to keep away from the danger.
—Could I ask you a rather personal question? — _______
Tom kept silent about the accident ______ lose his job.