— Mum, can I watch TV now? — No, you             . It's too late.

 He _____ have gone to Shanghai, for I saw him a moment ago.

—What is the result of the survey?—15% of those surveyed worry that in the long term children _________ be more dependent on their parents, which does no good to them.

—He can write well. ---He_____, but he doesn’t. He’s too lazy.

---Listen! Is Kitty in the next room?  ---No, it ______ be Kitty. She has gone to Beijing.