Find the correct compound form of the sentence “Though he is rich, he is unhappy”

Select the correct transformation of sentences as directed. Honey is one of the sweetest drinks. (make it positive)

The simple form of the following complex sentence : " Wait here till I arrive "

He owed his success to his father' The complex form of the sentence is-

Change the given sentence into negative- Interrogative.Many people want to travel the world.