en：They rowed 40 to the minute.
en：paddle [row] a boat go boating.
en：It doesn't pay to grow feed crops on such good soil.
en：It is worthwhile It pays.
en：The lightning flashed across the sky.
en：cut a piece of glass.
en：He struck a match.
en：delimit a boundary.
en：determine class status.
en：The state farm assigned the experimental plot to that group.
en：plan and prepare.
en：cross out a word.
en：mark the main points in the text.
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