Why do you travel by _______ bus?

We can wait here until Sourav calls us.

The man took out a knife. He intended to frighten all of us.

I have no interest in politics. I must tell it frankly.

How old was Rupert Brooke at the time of his death?

If it was not too late, I ____________ for a walk.

Transform the given complex sentence into a compound sentence.
Although he is rich, he is not happy.

How ________ you talk to my wife?