Beijing opera （ introduce） to more people around the world during the 2020 Mei Lanfang Art Festival.
Mrs．Dean was to the policemen who had helped her kids arrive safely．（thank）
Mary and Tony are a pair of pet pigs．The two have recently got a special license so that their can take them for a walk．（own）
Mr．Smith，do you think teenagers must be kept away from the Internet？
No，I with this．The internet can help learn more about the world．（agree）
There are ways to stay healthy when seasons change．You should wash your hands ，exercise，eat and sleep well．（careful）
The world's first computers were than cars．（big）
Wow!They used to be so large．