把它们改成被动语态
问题描述：
把它们改成被动语态
1.He is cleaning the classroom
2.They have finished their homework
3.I can mend his bike
4.She will buy ten books tomorrow
5.We shouldn't allow them to go out with their friends
6.The old man often make us lough
答
1.The classroom is cleaned by him.2.Their homework have been finished by them.3.His bike can be mended by me.4.Ten books will be bought by her tomorrow.5.They shouldn't be allowed to go out with their...