摘要:3.过去完成时的时间状语before, by, until , when, after, once, as soon as.例如: By 5:00 yesterday morning we had done that work.到昨天早上5点钟时.我们已经做完了那件工作. He had just finished sweeping the classroom when the teacher returned from the office.老师从办公室回来时.他刚把教室打扫完. They came earlier than we had expected.他们到得比我们预料的要早. I had learnt 5000 words before I entered the university.我在进大学之前就已学了5000个单词.

网址:http://m.1010jiajiao.com/timu3_id_2431377[举报]

违法和不良信息举报电话:027-86699610 举报邮箱:58377363@163.com

精英家教网