【题目】I clean my bedroom ________ about thirty minutes.
A. for B. of C. on
【答案】A
【解析】句意:我打扫卧室大约三十分钟。clean...for...为了,用了,选项A为了,用了,选项B的,选项C在.....上,故选A.

编辑:chaxungu时间:2026-04-11 01:15:23分类:小学英语题库
【题目】I clean my bedroom ________ about thirty minutes.
A. for B. of C. on
【答案】A
【解析】句意:我打扫卧室大约三十分钟。clean...for...为了,用了,选项A为了,用了,选项B的,选项C在.....上,故选A.
