We must study hard做句型转换

问题描述:

We must study hard做句型转换

We have to study hard
have to 可以与must互换 注意:have to与must 有区别。have to 意为不得不,must 意为必须。望采纳,祝楼主学习进步!

What we must do is study hard

We have to study hard
We should study hard

We must study hard.