我们换了4个班主任，3个英语老师 用英语怎么说

Question

急急急~~~~~~~~~~~~~~~~~~~~ 10月10日就要了

Answer 1

We changed four head-teachers and three English teachers

Answer 2

4 class teachers and 3 English teachers have been changed for us.

Answer 3

4 teachers in charge of our class and 3 English teachers have been switched .

Answer 4

we have changed four head-teachers and three English teachers .