1,chuyển câu chủ động sang câu bị động -Nothing can change my mind -->My mind…… -they'll have built this school by 2020 -->This school …… -Police will destroy these drugs -->These drugs …… 2,câu gián tiếp -"Have you seen that film ?"asked he --> -"what time does the film begin? " --> -He said to her,",Keep silent,please " -->

1,chuyển câu chủ động sang câu bị động 
-Nothing can change my mind 
-->My mind can't be changed.
-they'll have built this school by 2020
-->This school will have been built by 2020.

-Police will destroy these drugs 
-->These drugs will be destroyed by police.
2,câu gián tiếp 
-"Have you seen that film ?"asked he
--> He asked me whether/if I had seen that film.
-"what time does the film begin? "
--> She asked me what time the film began.
-He said to her,",Keep silent,please "
--> He told her to keep silent.

#NOCOPY - best answer please ~