请问have collected 和have been collecting 有什么区别
请问have collected 和have been collecting 有什么区别
请问一下have been to和have been in和have been at有什么区别?
请问have been 和has been有什么区别
could have been 和may have been 有什么区别?
have been to 和 have been in 和have been on有什么区别
英语问题:请问. have/has been to 和have/has gone to有什么区别?
请问have\has\had done和have\has\had been done 各有什么区别?been和gone又
have been 和 have arrived用法上有什么区别
have gone和have been going 有什么区别啊?
have been to 和have gone to 有什么区别
have worked 和 have been working有什么区别
have been和have gone有什么区别?