Сделайте в passive voice: 1) the teacher explained this rule twice 2) they do not grow fruit in this part of this country 3) they have designed new scenery for the party 4) they laughed at her because of her hat 5) we have already sent for the doctor

1)    The teacher explained this rule twice
This rule was explained twice by the teacher
2) they do not grow fruit in this part of this country
in this part of this country isn’t grown fruit
3) they have designed new scenery for the party
new scenery for the party  has been designed  by them
4) they laughed at her because of her hat
she was laughed by them  because of her hat
5) we have already sent for the doctor
the doctor has been already sent for