https://go.tongban360.com/tags/%E7%8E%B0%E5%9C%A8%E5%AE%8C%E6%88%90%E6%97%B6/Recent content in 现在完成时 on 童伴英语 | 陪孩子成长https://go.tongban360.com/img/jacky.jpghttps://go.tongban360.com/img/jacky.jpgHugozh-cnSat, 23 May 2026 21:30:00 +0800https://go.tongban360.com/articles/prepositions-in-at-to-meaning/Sat, 23 May 2026 21:30:00 +0800https://go.tongban360.com/articles/prepositions-in-at-to-meaning/孩子分不清 has been to、has gone to、been in/at？先判断句子是在说去过、去了，还是待在那儿，再选介词。