Transfer cells are highly specialized plant cells which

Find out the appropriate words.

Choose the option that is the passive form of the sentence.

I burnt my hand yesterday while cooking.

In the given questions, choose one correct option that describes the sentence in the most suitable manner.  

Convert the given Active voice into the Passive voice. 

Are they planning a surprise party? 

Select the correct passive voice of the given sentence.

The Enforcement Directorate has seized a 22-room sprawling seaside farmhouse in Alibaug.

Choose the option that is the passive form of the sentence.

The security guard opened the gate using his pass.

Select the correct active form of the given sentence.

Let this letter be posted at once.

The rise and fall in the pitch of a voice

Was it taught by him?