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You need about thirty minutes exercise a day.A. of B. at C. with

编辑:chaxungu时间:2026-04-28 11:55:22分类:小学英语题库

【题目】You need about thirty minutes ________exercise a day.

A. of B. at C. with

【答案】A

【解析】句子意思是: 你一天需要大约30分钟.....锻炼. 这里是所有格, 应该用of, at和with都不构成所有格. 故答案为: A.