_____________________ is open-source operating system

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

The detective found the lost necklace.

Select the correct active \passive form of the given sentence.

Your naughy dog broke my room window this evening.

Select the correct active form of the given sentence.

When we arrived at his house, we were welcomed by his parents.

Select the correct suffix to frame a new word. Using the given word DIFFER.

Select the correct active form of the given sentence. 

Success cannot be achieved without hard work and sincerity.

The sentence has been given in Active/Passive Voice. Change the voice to Passive/Active.

The Phone has not been repaired by Arun.

Select the correct active voice of the given sentence.

They were questioned by the immigration officer.

Find out the appropriate words.

Select the correct passive form of the given sentence.

Who has taken away my pen?

The team manager is examining the documents of all the players.