I hope you’d better ______in the street. [ ]

Are these books ____.— No. they are not mine. They belong to ______.

Have you got an iPhone 5?—No, many young people began to say “No” to it because of _________ follow-up service. By the way, I am a supporter of Chinese products.

Miss Li asked a question, but it was ________ that nobody could answer it. [ ]

We carefully compared the result of the first experiment with_______ of the second one.