I got close enough to hear them speaking Chinese, and I said “Ni Hao ” just as I ____ do in China.
20. ----- Did you go to see the football match in the stadium ? ----- _____, but my brother called on me.
19. It is reported that China has created the first man-made sun in the world recently, ______ ?
18. ----- Has Mary finished writing her article ? ----- No, and it _____ before class was over.
17. I really _____ thank you enough. It’s been an amazing day.
16. The computer program is a puzzle to me. The more I think of it, the more questions I think of _____.