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general::
noun task ADJ. special | important | dangerous, difficult, tough | business, work | modelling, photographic VERB + ASSIGNMENT accept, take on Why did you take on this assignment if you're so busy? | carry out | refuse If you refuse this assignment you risk losing your job. | complete, finish | give sb PREP. on ~ The photographer is on assignment in China at the moment. piece of school/college work ADJ. practical, reading, written VERB + ASSIGNMENT give, hand out, set The teacher set an assignment on pollution. | do | complete, finish | hand in The students handed in their assignments. PREP. ~ on an assignment on Roman history
Oxford Collocations Dictionary