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She put her papers into the fire and .A.burnt them downB.burnt them upC.burnt down themD.burnt up th

编辑:chaxungu时间:2026-04-24 13:00:11分类:高中英语题库

She put her papers into the fire and________ .
A.burnt them downB.burnt them upC.burnt down themD.burnt up them在线课程B
“them”是介词,应放在burn up之间。