It was about 600 years ago _______ the first clock with a face and an hour hand was made.
It was until dark ___ he found ___ he thought was the correct way to solve the problem.
It was in the evening__we reached the little town of Winchester. A that B. until C. since D. before
It was ____ my teacher worked ____ I work hard.
It is the young man ___ looked for ___ caught the murderer.A.that; who B.that; they C. they ;that D they ;which
It is on a winter night ___he spent with me last night.