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

— Do you know whose magazine is it?— I think it         be Lily’s, for we can find her name on the cover.

It ________ have been her to leave her child alone and do whatever she wanted. She isn't such a person.

---Fifty dollars for such a T-shirt！You_____ be joking！--- I’m serious. It’s made of silk.

---- Did you pass the driving test? ---- No. I ______ it, but I had little time practicing.