What happened when an excess amount of Nitrogen

Select the correct active form of the given sentence. 

They were refused entry in Delhi by the police.

The dormitories were being cleaned by some girls.

Two children were shot dead by a psychopath during the California music festival.

Select the correct active form of the given sentence. 

Success cannot be achieved without hard work and sincerity.

Select the correct passive form of the given sentence.

The receptionist had informed us about the appointment.

Select the option that expresses the given sentence in active voice.

Not a word was spoken by the criminal in self-defence. 

Select the correct active voice of the given sentence.

Aspersions are being cast on the treasurer of the society by some members.

Select the option that expresses the given sentence in passive voice.

The man bought a parrot that could speak five languages.

Choose the best way to complete these passive voice sentence 

A story ______

Select the correct Active Voice form of the given sentence.