Change the following sentences to the present perfect passive :
1 . The local people have just celebrated their traditional festival .
2 . The mechanic has just repaired these fans .
3 . The manager has ordered all the employees to work overtime this month .
4 . They have transported used paper and cans to the recycling area .
5 . The director has chosen a new actor to replace the old one who is suffering from a serious fever .
6 . They have taken her to the hospital .
7 . Someone has given him a lot of money .
8 . We have invited all the students in the school .
HELP ME !!!!!!!!!!!