? Do you know the most ancient city in China ─ Xi’an well? ? No, this is the first time I ___________ here.

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.

They use the same senses as we do and their feet and hands are similar toours,　　　chimpanzees still have opposable toes and can grasp things with their feet.

Do you know Mozart? — Of course. He wrote _____ of beautiful pieces of music.

Thank you _____ your help. It’s very kind _____ you. [ ]