Hello, I’m Xiaoming, born in 2000. I have seen the ________ changes in my city myself. When I was born, I lived in a two-floor building. We shared the kitchen and washroom with neighbors. Now our family moves to another tall building with big rooms. And the old area has ________ a business center. In 2004, my father bought himself ________ mobile phone. He could call his friends or send messages to them. But ________ 2006, he has had 5 other phones. The new ________ has made the cellphones a necessary part in our life. They are easier to use and have more functions now. When I was young, we must buy objects with money. But now a smartphone helps us pay for goods in the ________. For the 20 years, the number of the cars has ________ rapidly. We can see more and more ordinary people buying cars or planning to buy cars. And the high-speed railways can take people far away. ________ the bikes on the road become fewer and fewer.

With the development of China, ________ has taken pleasure in our life. I imagine that ________ one day we can travel on other planets. This is our dream of happiness.

Tingting is a 10-year-old girl from Hangzhou. She has a great-grandpa（曾祖父）. He is 105 years old, ______ he is still very healthy. Tingting likes listening to his stories ______ the past life.

Now Tingting is at home with her great-grandpa. “Great-grandpa, can you tell me ______ about Hangzhou?”

Tingting says. “Sure, my dear,” her great-grandpa says. “Many years ago, Hangzhou was ______ and poor （贫穷的）. Not many people lived there. Many of ______ were farmers and fishermen （渔民）. Now things are ______.

Hangzhou is a very large ______ . There are a lot of tall buildings. Every year a lot of ______ come to Hangzhou from all over the world. They like to ______ the West Lake and Xixi National Wetland Park. They think Hangzhou is beautiful.” “I’m sure Hangzhou will be better and better,” Tingting says. “You’re right, dear. Study ______ and do something for Hangzhou,” her great-grandpa says.