跳到正文
MicroEnglish

回想一下,再看答案

记忆卡片

先回想学过的内容,再查看解释,然后选择下次复习的时间。

收藏的课程

第435张,共681张

B1

Took or have taken? Choose the form for your message

先写下记得的内容,再查看解释。不要填写个人信息。

登录后可获得私密AI反馈,并安排复习

查看解释

The past simple places an action in a finished past situation: I took the radio apart yesterday. The present perfect connects a past action with now: I have taken the radio apart, so we can check it.

I brought my broken radio last Saturday.
问问老师欣怡 · AI英语老师

欣怡 · AI英语老师

正在打开老师窗口……