4 Read and answer.Inventors Nathaniel BaldwinInventions headphonesMade of plasticUsed for Istening to music0 Who invented headphones?Nathaniel Baldwin invented headphones.1 When did he invent them?2 What are they mode of?3 What are they used for?​

1. Loud music is being heard from the living room now.
2. The festival is held in our city every year.
3. was the lecture attended by all students yesterday?
4. A taxi hasn't been called yet.
5. The room must be aired every day.
6. The cake has already been eaten by the children.
7. Will the essays be handed tomorrow?
8. The show was perfomed at five o'clock yesterday.
9. Have the suitcases been brought to the hotel room yet?
10. When was this university founded?
11. Whose car is being repaired now?
12. What pizza has just been ordered?
13. The message wasn't received yesterday.
14.This invitation should be accepted.
15.What questions will be discussed tomorrow?

Loud music is being heard from the loving room now
the festival is been held in our city every year.
was the lecture been attended by all the students yesterday?
a taxi hasn't called yet.
the room must be aired every day
the cake has been already eaten by the children
will the essays been handed tomorrow?
the show has being performed at five at five o'clock yesterday
have the suitcases been brought to the hotel room?
when was this university found?
whose car is being repaired Now?
what pizza has just been ordered?
the message wasn't received yesterday
this invitation should be accepted
what questions will be discussed tomorrow?