– Tell me            about Brother Sharp, please. -- He was a beggar(乞丐). He became a blue-eyed boy(红人) on the Internet because of his cool appearance and dressing style.

----Which of the two subjects do you like, art or music?----______.They are really interesting.

—Are these books yours, Mike?—No, they aren’t. They belong to ______.

I think _______ our duty to keep our environment clean and tidy.

---- Where are my keys, Dad? I can’t find them.---- Look! They’re under the table. You must _____.