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Use "fold up" in a sentence
""Helen Burns, if you don't go and put your drawer in order, and fold up your work this minute, I'll tell Miss Scatcherd to come and look at it!""
"She kept an eye out for him as she helped her neighbors gather bottles for recycling, fold up aluminum picnic tables, and Saran-Wrap an awesome leftover pasta-and-pepper salad."
"His desk was Uncle Henry's campaign table, with crossed legs you could fold up before hurrying to your next battle."