B1 语法 时态
现在完成时填空
直接在线完成这组题，即时检查每道答案，并让理解当前练习的教练结合你的作答进行讲解。
在线练习
4 题0 / 4
1
She has in London since 2020.
2
We have already dinner.
3
He has not the email yet.
4
I have my best friend for ten years.
答案即时批改。可重置重做，或用右侧 AI 讲解任意一题。