Football is very important to me, but _____ is our friendship

The latest edition of Harry Porter has been a best-seller for 3 weeks_______[ ]

Does Peter walk to school —______. He takes the bus.

I have no idea ______ measures the governmentwill take to stop the river from being further polluted

Come on, please give me some ideas about the project.—Sorry. With so much workmymind, I almost break down.