Question

change the voice Did the speaker make any announcements​

Answer 1

Answer:

Any announcements was made by the speaker?

Answer 2

Answer:

Was any announcement made by the speaker?

Explanation:

The most easy way of changing voice of interrogative sentences is first convert them in assertive.

ex. Does he know you? Assertive = he knows you.

now convert the sentence int passive

ex. you are known by him.

Now change this sentence into interrogative

so are you known by him?

similarly you can change voice of other types of sentences as well.

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