they have been here ___ two hours ago. A.for B.since C.before D.after 说明理由 2个回答 #热议# 上班途中天气原因受伤算工伤吗? 百度网友1f55cd99a 2012-02-11 · TA获得超过4282个赞 知道小有建树答主 回答量:1528 采纳率:0% 帮助的人:1862万 我也去答题访问个人页 关注 展开全部 选B根据have been确定是现在完成时,故从A和B中选择。而for加时间段,since才能加时间点,故选B望釆纳! 本回答由提问者推荐 已赞过 已踩过< 你对这个回答的评价是? 评论 收起 百度网友c6ba716 2012-02-11 · TA获得超过6.5万个赞 知道大有可为答主 回答量:1.5万 采纳率:75% 帮助的人:6487万 我也去答题访问个人页 关注 展开全部 B自从两个小时以前他们就来这里了。since+过去的时间 ,用于现在完成时。 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 2023-04-23 they+are+coming+through+a+hole的句子成分 2016-08-28 –– When did they arrive?–– They ______two hours ago .They ______ here for two hours . A.ar 2 2013-01-25 I have been here ( )about three month 5 2012-06-10 2、选用“have, has, had, there is, there are, there was, there were”填空。 1) I a good father and a 7 2013-05-09 When we ______,they ______ there for an hour. A.arrived;had been B.reached;had got 请具体解释一下 2 2017-09-30 We have been in Australia for three days. We’re having a小题1:g_____ time here. Australia is the 2 2013-02-21 Have you ever been to England______? Yes,I went there two years_______. A.before; ago 4 2020-09-23 i have been here about three months 为你推荐: