英语 主动句变成被动句

题目

英语 主动句变成被动句
下面哪个是主动句,然后把主动句改写成被动句
1.they have made a lot of changes in the village.
2.they use the old school as a sports centre.
3.a new primary school was built last year.
4.100 new houses will be built next year.

答案

前两个是主动句
1.A lot of changes have been made in the village by them.
2.The old school are used as a sports centre by them.