In the following questions, a sentence has been given in Active Voice / Passive Voice. Out of the four alternatives suggested, select the one which best expresses the same sentence in Passive / Active Voice.
Are they receiving the chief guest at the station?

• Was the Chief guest being received at the station?

• Is the Chief guest being received at the station?

• Will they be received by the Chief guest at the station?

• Will they be received by the Chief guest at the station?