_____ time, he’ll make a first-class tennis player.
This missile is designed so that once _____ nothing can be done to retrieve it.
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He resented _____ to wait. He expected the minister _____ him at once.
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He noticed the helicopter hovering over the field. Then to his astonishment, he saw a rope ladder _____ out and three men climbing down it.
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The country’s chief exports are coal, cars and cotton goods, cars _____ the most important of these.
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_____ regular training in nursing, she could hardly cope with the work at first.
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Arriving at the bus stop, _____ waiting there.
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I never regretted _____ his offer, for it was not where my interest lay.
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I don’t like _____ bills but when I do get them I like _____ them promptly.
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The compositions contained so few errors that the teacher got the students _____ one another ’s papers.
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It’s high time we _____ cutting down the rainforests.