Question

Rewrite these sentences in passive voice. 16. He couldn’t find his key. 17. You should pay more attention to your study. 18.He can speak four foreign languages. 19.They should ask him before giving the decision. Giúp em với ạ.

Answer 1

Rewrite these sentences in passive voice.

16. He couldn’t find his key.

His key couldn't be found by him

17. You should pay more attention to your study.

Your study should be paid more attention to 

18.He can speak four foreign languages.

Four foreign languages can be spoken by him

19.They should ask him before giving the decision.

He should be asked before they give the decision

Answer 2

16. His key couldn't be  found by him

17. More attention should be paid to your study

18. Four forreign language can be spoken 

19. He should be áked before giving the decision