通过AI生成的填空练习掌握英语语法。练习对应CEFR等级从Pre-A1到C2的语法模式,获得即时反馈和解释。
Current set
Public TransportA1 · 5 words
The driver _____ the bus at the next stop.
I need to buy a _____ to ride the train.
The _____ waits for passengers at the bus stop.
We missed the last _____, so we have to wait for the next one.