英语把句子改为被动语态1.we can learn a lot from each other 2.we have to

1.A lot can be learnt from each other by us.
2.Our study needs to be more concentrated on (by us).
3.English should be studied by watching English videos (by us).
4.The study needs to be spent more time on.
5.The windows will be cleaned by my Mum tomorrow.
6.In some parts of the world,tea is served with milk and sugar.
7.Children were told to keep away from the medicine for their safety.
8.I was asked to go to Li’s birthday party by him.
理清主谓关系,被动还是很简单的.

1.A lot can be learnt from each other (by us).
2.Our study has to be more concentrated on (by us).
3.English should be studied by watching English videos (by you).
4.A lot time must be ...