“Don’t do that again,” he said to me. Change voice of the sentence.

(A) He said it to me not to do that again.
(B) He told me not to do that again.
(C) He told me not to do that once more.
(D) He told me not to do that another time.

The children can understand the poem. Change it to passive voice.

(A) The song can be understood by the children.
(B) The poem could be understood by the children.
(C) The poem can be understood by the children.
(D) A poem can be understood by the children.

Who is creating this mess? Change voice of the sentence.

(A) By whom has this mess been created?
(B) Who has been created this mess?
(C) By whom this mess is being created?
(D) By whom is this mess being created?

They greet me cheerfully every morning. Change voice of the sentence.

(A) I am being greeted cheerfully by them every morning.
(B) Every morning I was greeted cheerfully.
(C) I am greeted cheerfully by them every morning.
(D) None of the above

The dog splashed the water. Change voice of this sentence.

(A) The water was splashed by the dog.
(B) Some water was splashed by the dog.
(C) The liquid was splashed by the dog.
(D) The water was not splashed by the dog.