一、根据中文提示，默写课文内容。
Wang Bing （正在做一个关于过去和现在生活的项目）. He asks his grandparents about （他们生活中的变化）.
Grandpa: In the past, （我写信给我的家人和朋友们）. Now （我和他们在网上聊天）.
Grandma: And we （在路上耗费大量时间） then. Now （高速列车运行非常快）.
Mum: In the past, I （在办公室办公）. （如今）, I sometimes （居家办公并且开线上会议）.
Dad: Twenty years ago, I （去商店）and （用现金付款）. Now, I often （在网上购物并且在我的智能手机上付款）.

一、is doing a project on life in the past and now; the changes in their life; I wrote letters to my family and friends; I chat with them on the internet; spent a lot of time on the road; high-speed trains travel very fast; worked in an office; These days; work from home and have online meetings; went to shops; paid in cash; shop online and pay on my smartphone

二、这是杭州的一家机器人公司，它生产的一款机器狗很有趣。 同学们，请从方框中选择合适的单词补全对机器狗的描述。
run carry listen jump dance strong
Do you know Unitree? It is a company. It makes many cool robots.
Let me talk about the Go2. It is a robot dog. It looks very cute. It has four long legs. It can very fast on the road. It can also high and climb stairs! It is so . The Go2 has a smart brain. It can to you and understand your words. You can say, “Dance!” It will shake its body and for you. It can also help us small things and clean the floor. It is a good helper at home.
Unitree’s robots are very smart. They make our life fun!

二、run; jump; strong; listen; dance; carry