have lasted 和have been on区别
have lasted 和have been on区别
have been to 和 have been in 和have been on有什么区别
have begun 和have been on的区别
have been 和have ever been区别!
have been和have gone的区别
have been 和have gone 的区别
has been和have been区别
have been 和had been 什么区别
have been 和 has been的区别
英语翻译The developments we have been describing thus far lasted
have been in和 have been to区别
will have been doing和have been doing的区别