C! write the sentences in the passive. before doing this task revise all the forms of the simple, continuous and perfect tenses in the passive.1. who wrote these letters? 2. the girl has put all the books into the bookcase. 3. snow will cover the fields. 4. they are asking him at the moment. 5. they were translating the article when we came into the library yesterday. 6. betty often took her younger brother for a walk. 7. they have not told her the truth. 8. mother has made some coffee. have you given the tests to the students? 10. the students have written the paper without mistakes. 11. kate is washing the dishes now 12. tomorrow by 3 o'clock i will have done all my homework 13. showed me the way to the metro station. 14. she promised us an interesting entertainment. 15. somebody has opened the door

1.whom these letters were written by? 2.all the books have been put into the bookcase by the girl. 3.the fields will be covered by snow. 4.he is being asked at the moment. 5.the article was being translated when we came into the library yesterday. 6.younger brother of betty is often taken for a walk by her. 7.the truth have not been told her. 8.some coffee has been made by mother. 9.have the tests been given to the students? 10.the paper have been written by students without mistakes. 11.the dishes are being washed by Kate now. 12.all my homework will have been done tomorrow by 3 o'clock. 13.i was shown the way to the metro station. 14.an interesting entertainment was promised us. 15. the door has been opened.