We then moved to Chicago in 1995, ________ we lived for six years.
At this time tomorrow ______ over the Atlantic.
—That must have been a lot of work.—Yeah, it us three days to finish it.
______ many times, he finally understood it.
Going on a trip into ______ space must be quite ______ exciting experience.
_______ made the school proud was______ more than 90% of the students had been admitted to key universities.