In view of all sorts of rumors and guesses, experts carried out some careful and scientific research and_____ the possibility of a second earthquake in this area.
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.
She ______ me at the other end of the telephone line, though we hadn’t seen each other for a long time.