The young man _________ on his back _________ his eyes half-closed.

Harry Potter and the Sorcerer’s Stone was such _____ most interesting novel that many children want to read it _____ second time.

It’s Tom’s room, so it belongs to ______. It’s ______ favourite place.

I don’t want to do as ____sports as Tony does.—But you have to do if you want to be as _____as he

Is the man standing outside the teacher’s office Mr. Zhou? –No, it ______ be him. He has gone to Hong Kong for an academic conference.