摘要: 胡佛水坝:有趣的旅游景点1.I do it every day.(我每天做这样的事。)2.I did it yesterday.(昨天我做了这件事。)3.I shall/will do it tomorrow.(明天我要做这件事。)4.I am doing it now.(现在我正在做这件事。)5.I was doing it at that time.(当时我正在做这件事。)6.I shall/... 阅读全文
posted @ 2009-08-13 07:54 wn 阅读(161) 评论(0) 推荐(0) 编辑