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John likes TV, but he must his homework first. ( )A.watch; doB.watching; doC.watching; doing

编辑:chaxungu时间:2026-04-28 11:51:43分类:小学英语题库

【题目】John likes ________ TV, but he must ________ his homework first. (  )

A.watch; doB.watching; doC.watching; doing

【答案】B

【解析】

情态动词must后跟动词原形。