I did my homework ＿ about 30 minutes. A.at B.for C.on D.of 我来答 1个回答 #热议# 海关有哪些禁运商品？查到后怎么办？ 天然槑17 2022-06-28 · TA获得超过1.1万个赞 知道大有可为答主 回答量：6568 采纳率：100% 帮助的人：38.1万 我也去答题访问个人页 关注 展开全部 答案是B. 30 minutes是一段时间长度,B表示花费的时间. A.at用在某个时间点,比如3:40. C.on用在较大的时间点 of不经常接时间 已赞过 已踩过< 你对这个回答的评价是？ 评论 收起 推荐律师服务： 若未解决您的问题，请您详细描述您的问题，通过百度律临进行免费专业咨询 其他类似问题 2013-03-22 I _____ my homework in the whole morning,I went nowhere. a.did b.was doing 2 2012-05-07 I did my homework just now.it was _____hard. A.little B.a little C.a kind of D.kinds of 1 2013-04-24 they will do their homework_____. 1.in a minute 2.just now 3.ten minutes ago 4.now 2012-10-28 It( )me 30 minutes to finish my homework A.paid B.spent C.cost D.took 2014-11-27 I ______my homework in my study the whole morning. I went nowhere. A．do B．did C．was doing 2022-09-07 I _____ my homework in the whole morning,I went nowhere. a.did b.was doing 2014-09-11 I_______ my homework in my study the whole morning . I went nowhere. A．do B．did C．was doin 为你推荐：
