Change the following sentences into active or passive form.
(a) They pleased us all.
(b) Who has broken the plate?
(c) I am going to open a bank account.
(d) Let him sing a folk song.
(e) My pen has been lost.
Change the following sentences into active or passive form.
(a) Rome was not built in a day.
(b) Write a letter to your friend.
(c) When will you return my book?
(d) He is going to do marketing.
(e) I have to do the work.​