21.2比较can和be able to-模样形状动词 21.2比较can和be able to 1)can/could默示本领;年夜概(过往时用could),只用于现在式和过往式(could)。be able to可以用于各种时态。例如: They will be a... /
2010-06-08 / 查看
1235 次
年夜学英语测验精读:第二册(UNIT7) In this article the author describes what happened to her one night and what happened to her one night and her feelings about it. There's Only Luck My mind... /
2010-06-08 / 查看
5 次